20794555990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2399}}^1$

素因数の和:2678

約数の個数: 96

約数和(自身を含む): 42500505600

約数和(自身を除く): 21705949610

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 223, 230, 299, 338, 446, 598, 845, 1115, 1495, 1690, 2230, 2399, 2899, 2990, 3887, 4798, 5129, 5798, 7774, 10258, 11995, 14495, 19435, 23990, 25645, 28990, 31187, 37687, 38870, 51290, 55177, 62374, 66677, 75374, 110354, 133354, 155935, 188435, 275885, 311870, 333385, 376870, 405431, 534977, 551770, 666770, 717301, 810862, 866801, 1069954, 1434602, 1733602, 2027155, 2674885, 3586505, 4054310, 4334005, 5349770, 6954701, 7173010, 8668010, 9324913, 12304471, 13909402, 18649826, 24608942, 34773505, 46624565, 61522355, 69547010, 90411113, 93249130, 123044710, 159958123, 180822226, 319916246, 452055565, 799790615, 904111130, 1599581230, 2079455599, 4158911198, 10397277995, 20794555990]

約数ペア:

[(1, 20794555990), (2, 10397277995), (5, 4158911198), (10, 2079455599), (13, 1599581230), (23, 904111130), (26, 799790615), (46, 452055565), (65, 319916246), (115, 180822226), (130, 159958123), (169, 123044710), (223, 93249130), (230, 90411113), (299, 69547010), (338, 61522355), (446, 46624565), (598, 34773505), (845, 24608942), (1115, 18649826), (1495, 13909402), (1690, 12304471), (2230, 9324913), (2399, 8668010), (2899, 7173010), (2990, 6954701), (3887, 5349770), (4798, 4334005), (5129, 4054310), (5798, 3586505), (7774, 2674885), (10258, 2027155), (11995, 1733602), (14495, 1434602), (19435, 1069954), (23990, 866801), (25645, 810862), (28990, 717301), (31187, 666770), (37687, 551770), (38870, 534977), (51290, 405431), (55177, 376870), (62374, 333385), (66677, 311870), (75374, 275885), (110354, 188435), (133354, 155935)]