20218373820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{870731}}^1$

素因数の和:870792

約数の個数: 96

約数和(自身を含む): 64364509440

約数和(自身を除く): 44146135620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1290, 1548, 1935, 2322, 2580, 3870, 4644, 5805, 7740, 11610, 23220, 870731, 1741462, 2612193, 3482924, 4353655, 5224386, 7836579, 8707310, 10448772, 13060965, 15673158, 17414620, 23509737, 26121930, 31346316, 37441433, 39182895, 47019474, 52243860, 74882866, 78365790, 94038948, 112324299, 117548685, 149765732, 156731580, 187207165, 224648598, 235097370, 336972897, 374414330, 449297196, 470194740, 561621495, 673945794, 748828660, 1010918691, 1123242990, 1347891588, 1684864485, 2021837382, 2246485980, 3369728970, 4043674764, 5054593455, 6739457940, 10109186910, 20218373820]

約数ペア:

[(1, 20218373820), (2, 10109186910), (3, 6739457940), (4, 5054593455), (5, 4043674764), (6, 3369728970), (9, 2246485980), (10, 2021837382), (12, 1684864485), (15, 1347891588), (18, 1123242990), (20, 1010918691), (27, 748828660), (30, 673945794), (36, 561621495), (43, 470194740), (45, 449297196), (54, 374414330), (60, 336972897), (86, 235097370), (90, 224648598), (108, 187207165), (129, 156731580), (135, 149765732), (172, 117548685), (180, 112324299), (215, 94038948), (258, 78365790), (270, 74882866), (387, 52243860), (430, 47019474), (516, 39182895), (540, 37441433), (645, 31346316), (774, 26121930), (860, 23509737), (1161, 17414620), (1290, 15673158), (1548, 13060965), (1935, 10448772), (2322, 8707310), (2580, 7836579), (3870, 5224386), (4644, 4353655), (5805, 3482924), (7740, 2612193), (11610, 1741462), (23220, 870731)]