20199327140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:1077

約数の個数: 96

約数和(自身を含む): 43817324544

約数和(自身を除く): 23617997404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 127, 212, 227, 254, 265, 454, 508, 530, 635, 661, 908, 1060, 1135, 1270, 1322, 2270, 2540, 2644, 3305, 4540, 6610, 6731, 12031, 13220, 13462, 24062, 26924, 28829, 33655, 35033, 48124, 57658, 60155, 67310, 70066, 83947, 115316, 120310, 134620, 140132, 144145, 150047, 167894, 175165, 240620, 288290, 300094, 335788, 350330, 419735, 576580, 600188, 700660, 750235, 839470, 1500470, 1527937, 1678940, 3000940, 3055874, 4449191, 6111748, 7639685, 7952491, 8898382, 15279370, 15904982, 17796764, 19055969, 22245955, 30558740, 31809964, 38111938, 39762455, 44491910, 76223876, 79524910, 88983820, 95279845, 159049820, 190559690, 381119380, 1009966357, 2019932714, 4039865428, 5049831785, 10099663570, 20199327140]

約数ペア:

[(1, 20199327140), (2, 10099663570), (4, 5049831785), (5, 4039865428), (10, 2019932714), (20, 1009966357), (53, 381119380), (106, 190559690), (127, 159049820), (212, 95279845), (227, 88983820), (254, 79524910), (265, 76223876), (454, 44491910), (508, 39762455), (530, 38111938), (635, 31809964), (661, 30558740), (908, 22245955), (1060, 19055969), (1135, 17796764), (1270, 15904982), (1322, 15279370), (2270, 8898382), (2540, 7952491), (2644, 7639685), (3305, 6111748), (4540, 4449191), (6610, 3055874), (6731, 3000940), (12031, 1678940), (13220, 1527937), (13462, 1500470), (24062, 839470), (26924, 750235), (28829, 700660), (33655, 600188), (35033, 576580), (48124, 419735), (57658, 350330), (60155, 335788), (67310, 300094), (70066, 288290), (83947, 240620), (115316, 175165), (120310, 167894), (134620, 150047), (140132, 144145)]