20727630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 68981760

約数和(自身を除く): 48254130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 990, 997, 1155, 1386, 1485, 1890, 1994, 2079, 2310, 2970, 2991, 3465, 4158, 4985, 5982, 6930, 6979, 8973, 9970, 10395, 10967, 13958, 14955, 17946, 20790, 20937, 21934, 26919, 29910, 32901, 34895, 41874, 44865, 53838, 54835, 62811, 65802, 69790, 76769, 89730, 98703, 104685, 109670, 125622, 134595, 153538, 164505, 188433, 197406, 209370, 230307, 269190, 296109, 314055, 329010, 376866, 383845, 460614, 493515, 592218, 628110, 690921, 767690, 942165, 987030, 1151535, 1381842, 1480545, 1884330, 2072763, 2303070, 2961090, 3454605, 4145526, 6909210, 10363815, 20727630]

約数ペア:

[(1, 20727630), (2, 10363815), (3, 6909210), (5, 4145526), (6, 3454605), (7, 2961090), (9, 2303070), (10, 2072763), (11, 1884330), (14, 1480545), (15, 1381842), (18, 1151535), (21, 987030), (22, 942165), (27, 767690), (30, 690921), (33, 628110), (35, 592218), (42, 493515), (45, 460614), (54, 383845), (55, 376866), (63, 329010), (66, 314055), (70, 296109), (77, 269190), (90, 230307), (99, 209370), (105, 197406), (110, 188433), (126, 164505), (135, 153538), (154, 134595), (165, 125622), (189, 109670), (198, 104685), (210, 98703), (231, 89730), (270, 76769), (297, 69790), (315, 65802), (330, 62811), (378, 54835), (385, 53838), (462, 44865), (495, 41874), (594, 34895), (630, 32901), (693, 29910), (770, 26919), (945, 21934), (990, 20937), (997, 20790), (1155, 17946), (1386, 14955), (1485, 13958), (1890, 10967), (1994, 10395), (2079, 9970), (2310, 8973), (2970, 6979), (2991, 6930), (3465, 5982), (4158, 4985)]