20197716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21859}}^1$

素因数の和:21884

約数の個数: 48

約数和(自身を含む): 58759680

約数和(自身を除く): 38561964

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21859, 43718, 65577, 87436, 131154, 153013, 240449, 262308, 306026, 459039, 480898, 612052, 721347, 918078, 961796, 1442694, 1683143, 1836156, 2885388, 3366286, 5049429, 6732572, 10098858, 20197716]

約数ペア:

[(1, 20197716), (2, 10098858), (3, 6732572), (4, 5049429), (6, 3366286), (7, 2885388), (11, 1836156), (12, 1683143), (14, 1442694), (21, 961796), (22, 918078), (28, 721347), (33, 612052), (42, 480898), (44, 459039), (66, 306026), (77, 262308), (84, 240449), (132, 153013), (154, 131154), (231, 87436), (308, 65577), (462, 43718), (924, 21859)]