20177982715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{42467}}^1$

素因数の和:42699

約数の個数: 32

約数和(自身を含む): 27078955776

約数和(自身を除く): 6900973061

約数列:

[1, 5, 11, 53, 55, 163, 265, 583, 815, 1793, 2915, 8639, 8965, 42467, 43195, 95029, 212335, 467137, 475145, 2250751, 2335685, 6922121, 11253755, 24758261, 34610605, 76143331, 123791305, 366872413, 380716655, 1834362065, 4035596543, 20177982715]

約数ペア:

[(1, 20177982715), (5, 4035596543), (11, 1834362065), (53, 380716655), (55, 366872413), (163, 123791305), (265, 76143331), (583, 34610605), (815, 24758261), (1793, 11253755), (2915, 6922121), (8639, 2335685), (8965, 2250751), (42467, 475145), (43195, 467137), (95029, 212335)]