20660010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 57176064

約数和(自身を除く): 36516054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 751, 786, 917, 1310, 1502, 1834, 1965, 2253, 2751, 3755, 3930, 4506, 4585, 5257, 5502, 7510, 9170, 10514, 11265, 13755, 15771, 22530, 26285, 27510, 31542, 52570, 78855, 98381, 157710, 196762, 295143, 491905, 590286, 688667, 983810, 1377334, 1475715, 2066001, 2951430, 3443335, 4132002, 6886670, 10330005, 20660010]

約数ペア:

[(1, 20660010), (2, 10330005), (3, 6886670), (5, 4132002), (6, 3443335), (7, 2951430), (10, 2066001), (14, 1475715), (15, 1377334), (21, 983810), (30, 688667), (35, 590286), (42, 491905), (70, 295143), (105, 196762), (131, 157710), (210, 98381), (262, 78855), (393, 52570), (655, 31542), (751, 27510), (786, 26285), (917, 22530), (1310, 15771), (1502, 13755), (1834, 11265), (1965, 10514), (2253, 9170), (2751, 7510), (3755, 5502), (3930, 5257), (4506, 4585)]