20187193316

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{683}}^1\times {\mathrm{719}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 36404121600

約数和(自身を除く): 16216928284

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 683, 719, 956, 1366, 1438, 2732, 2876, 10277, 20554, 29369, 30917, 41108, 58738, 61834, 117476, 123668, 163237, 171841, 326474, 343682, 491077, 652948, 687364, 982154, 1964308, 7019191, 7389163, 14038382, 14778326, 21116311, 28076764, 29556652, 42232622, 84465244, 117367403, 234734806, 469469612, 5046798329, 10093596658, 20187193316]

約数ペア:

[(1, 20187193316), (2, 10093596658), (4, 5046798329), (43, 469469612), (86, 234734806), (172, 117367403), (239, 84465244), (478, 42232622), (683, 29556652), (719, 28076764), (956, 21116311), (1366, 14778326), (1438, 14038382), (2732, 7389163), (2876, 7019191), (10277, 1964308), (20554, 982154), (29369, 687364), (30917, 652948), (41108, 491077), (58738, 343682), (61834, 326474), (117476, 171841), (123668, 163237)]