20181444990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97171}}^1$

素因数の和:97254

約数の個数: 128

約数和(自身を含む): 59105452032

約数和(自身を除く): 38924007042

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 69, 70, 86, 105, 115, 129, 138, 161, 210, 215, 230, 258, 301, 322, 345, 430, 483, 602, 645, 690, 805, 903, 966, 989, 1290, 1505, 1610, 1806, 1978, 2415, 2967, 3010, 4515, 4830, 4945, 5934, 6923, 9030, 9890, 13846, 14835, 20769, 29670, 34615, 41538, 69230, 97171, 103845, 194342, 207690, 291513, 485855, 583026, 680197, 971710, 1360394, 1457565, 2040591, 2234933, 2915130, 3400985, 4081182, 4178353, 4469866, 6704799, 6801970, 8356706, 10202955, 11174665, 12535059, 13409598, 15644531, 20405910, 20891765, 22349330, 25070118, 29248471, 31289062, 33523995, 41783530, 46933593, 58496942, 62675295, 67047990, 78222655, 87745413, 93867186, 96102119, 125350590, 146242355, 156445310, 175490826, 192204238, 234667965, 288306357, 292484710, 438727065, 469335930, 480510595, 576612714, 672714833, 877454130, 961021190, 1345429666, 1441531785, 2018144499, 2883063570, 3363574165, 4036288998, 6727148330, 10090722495, 20181444990]

約数ペア:

[(1, 20181444990), (2, 10090722495), (3, 6727148330), (5, 4036288998), (6, 3363574165), (7, 2883063570), (10, 2018144499), (14, 1441531785), (15, 1345429666), (21, 961021190), (23, 877454130), (30, 672714833), (35, 576612714), (42, 480510595), (43, 469335930), (46, 438727065), (69, 292484710), (70, 288306357), (86, 234667965), (105, 192204238), (115, 175490826), (129, 156445310), (138, 146242355), (161, 125350590), (210, 96102119), (215, 93867186), (230, 87745413), (258, 78222655), (301, 67047990), (322, 62675295), (345, 58496942), (430, 46933593), (483, 41783530), (602, 33523995), (645, 31289062), (690, 29248471), (805, 25070118), (903, 22349330), (966, 20891765), (989, 20405910), (1290, 15644531), (1505, 13409598), (1610, 12535059), (1806, 11174665), (1978, 10202955), (2415, 8356706), (2967, 6801970), (3010, 6704799), (4515, 4469866), (4830, 4178353), (4945, 4081182), (5934, 3400985), (6923, 2915130), (9030, 2234933), (9890, 2040591), (13846, 1457565), (14835, 1360394), (20769, 971710), (29670, 680197), (34615, 583026), (41538, 485855), (69230, 291513), (97171, 207690), (103845, 194342)]