20888906360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:638

約数の個数: 256

約数和(自身を含む): 57775196160

約数和(自身を除く): 36886289800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 241, 280, 301, 313, 322, 344, 430, 460, 482, 602, 626, 644, 805, 860, 920, 964, 989, 1204, 1205, 1252, 1288, 1505, 1565, 1610, 1687, 1720, 1928, 1978, 2191, 2408, 2410, 2504, 3010, 3130, 3220, 3374, 3956, 4382, 4820, 4945, 5543, 6020, 6260, 6440, 6748, 6923, 7199, 7912, 8435, 8764, 9640, 9890, 10363, 10955, 11086, 12040, 12520, 13459, 13496, 13846, 14398, 16870, 17528, 19780, 20726, 21910, 22172, 26918, 27692, 27715, 28796, 33740, 34615, 35995, 38801, 39560, 41452, 43820, 44344, 50393, 51815, 53836, 55384, 55430, 57592, 67295, 67480, 69230, 71990, 72541, 75433, 77602, 82904, 87640, 94213, 100786, 103630, 107672, 110860, 134590, 138460, 143980, 145082, 150866, 155204, 188426, 194005, 201572, 207260, 221720, 238349, 251965, 269180, 276920, 287960, 290164, 301732, 309557, 310408, 362705, 376852, 377165, 388010, 403144, 414520, 471065, 476698, 503930, 528031, 538360, 580328, 603464, 619114, 725410, 753704, 754330, 776020, 942130, 953396, 1007860, 1056062, 1191745, 1238228, 1450820, 1508660, 1547785, 1552040, 1668443, 1734959, 1884260, 1906792, 2015720, 2112124, 2166899, 2383490, 2476456, 2640155, 2901640, 3017320, 3095570, 3243619, 3336886, 3469918, 3768520, 4224248, 4333798, 4766980, 5280310, 6191140, 6487238, 6673772, 6939836, 8342215, 8667596, 8674795, 9533960, 10560620, 10834495, 12144713, 12382280, 12974476, 13347544, 13879672, 16218095, 16684430, 17335192, 17349590, 21121240, 21668990, 22705333, 24289426, 25948952, 32436190, 33368860, 34699180, 43337980, 45410666, 48578852, 60723565, 64872380, 66737720, 69398360, 74603237, 86675960, 90821332, 97157704, 113526665, 121447130, 129744760, 149206474, 181642664, 227053330, 242894260, 298412948, 373016185, 454106660, 485788520, 522222659, 596825896, 746032370, 908213320, 1044445318, 1492064740, 2088890636, 2611113295, 2984129480, 4177781272, 5222226590, 10444453180, 20888906360]

約数ペア:

[(1, 20888906360), (2, 10444453180), (4, 5222226590), (5, 4177781272), (7, 2984129480), (8, 2611113295), (10, 2088890636), (14, 1492064740), (20, 1044445318), (23, 908213320), (28, 746032370), (35, 596825896), (40, 522222659), (43, 485788520), (46, 454106660), (56, 373016185), (70, 298412948), (86, 242894260), (92, 227053330), (115, 181642664), (140, 149206474), (161, 129744760), (172, 121447130), (184, 113526665), (215, 97157704), (230, 90821332), (241, 86675960), (280, 74603237), (301, 69398360), (313, 66737720), (322, 64872380), (344, 60723565), (430, 48578852), (460, 45410666), (482, 43337980), (602, 34699180), (626, 33368860), (644, 32436190), (805, 25948952), (860, 24289426), (920, 22705333), (964, 21668990), (989, 21121240), (1204, 17349590), (1205, 17335192), (1252, 16684430), (1288, 16218095), (1505, 13879672), (1565, 13347544), (1610, 12974476), (1687, 12382280), (1720, 12144713), (1928, 10834495), (1978, 10560620), (2191, 9533960), (2408, 8674795), (2410, 8667596), (2504, 8342215), (3010, 6939836), (3130, 6673772), (3220, 6487238), (3374, 6191140), (3956, 5280310), (4382, 4766980), (4820, 4333798), (4945, 4224248), (5543, 3768520), (6020, 3469918), (6260, 3336886), (6440, 3243619), (6748, 3095570), (6923, 3017320), (7199, 2901640), (7912, 2640155), (8435, 2476456), (8764, 2383490), (9640, 2166899), (9890, 2112124), (10363, 2015720), (10955, 1906792), (11086, 1884260), (12040, 1734959), (12520, 1668443), (13459, 1552040), (13496, 1547785), (13846, 1508660), (14398, 1450820), (16870, 1238228), (17528, 1191745), (19780, 1056062), (20726, 1007860), (21910, 953396), (22172, 942130), (26918, 776020), (27692, 754330), (27715, 753704), (28796, 725410), (33740, 619114), (34615, 603464), (35995, 580328), (38801, 538360), (39560, 528031), (41452, 503930), (43820, 476698), (44344, 471065), (50393, 414520), (51815, 403144), (53836, 388010), (55384, 377165), (55430, 376852), (57592, 362705), (67295, 310408), (67480, 309557), (69230, 301732), (71990, 290164), (72541, 287960), (75433, 276920), (77602, 269180), (82904, 251965), (87640, 238349), (94213, 221720), (100786, 207260), (103630, 201572), (107672, 194005), (110860, 188426), (134590, 155204), (138460, 150866), (143980, 145082)]