20408065902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1\times {\mathrm{1409}}^1$

素因数の和:2390

約数の個数: 96

約数和(自身を含む): 50995526400

約数和(自身を除く): 30587460498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 827, 834, 973, 1251, 1409, 1654, 1946, 2481, 2502, 2818, 2919, 4227, 4962, 5789, 5838, 7443, 8454, 8757, 9863, 11578, 12681, 14886, 17367, 17514, 19726, 25362, 29589, 34734, 52101, 59178, 88767, 104202, 114953, 177534, 195851, 229906, 344859, 391702, 587553, 689718, 804671, 1034577, 1165243, 1175106, 1370957, 1609342, 1762659, 2069154, 2330486, 2414013, 2741914, 3495729, 3525318, 4112871, 4828026, 6991458, 7242039, 8156701, 8225742, 10487187, 12338613, 14484078, 16313402, 20974374, 24470103, 24677226, 48940206, 73410309, 146820618, 161968777, 323937554, 485906331, 971812662, 1133781439, 1457718993, 2267562878, 2915437986, 3401344317, 6802688634, 10204032951, 20408065902]

約数ペア:

[(1, 20408065902), (2, 10204032951), (3, 6802688634), (6, 3401344317), (7, 2915437986), (9, 2267562878), (14, 1457718993), (18, 1133781439), (21, 971812662), (42, 485906331), (63, 323937554), (126, 161968777), (139, 146820618), (278, 73410309), (417, 48940206), (827, 24677226), (834, 24470103), (973, 20974374), (1251, 16313402), (1409, 14484078), (1654, 12338613), (1946, 10487187), (2481, 8225742), (2502, 8156701), (2818, 7242039), (2919, 6991458), (4227, 4828026), (4962, 4112871), (5789, 3525318), (5838, 3495729), (7443, 2741914), (8454, 2414013), (8757, 2330486), (9863, 2069154), (11578, 1762659), (12681, 1609342), (14886, 1370957), (17367, 1175106), (17514, 1165243), (19726, 1034577), (25362, 804671), (29589, 689718), (34734, 587553), (52101, 391702), (59178, 344859), (88767, 229906), (104202, 195851), (114953, 177534)]