20399582

素因数分解:

$2^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15715618

約数列:

[1, 2, 7, 14, 49, 98, 131, 227, 262, 343, 454, 686, 917, 1589, 1834, 3178, 6419, 11123, 12838, 22246, 29737, 44933, 59474, 77861, 89866, 155722, 208159, 416318, 1457113, 2914226, 10199791, 20399582]

約数ペア:

[(1, 20399582), (2, 10199791), (7, 2914226), (14, 1457113), (49, 416318), (98, 208159), (131, 155722), (227, 89866), (262, 77861), (343, 59474), (454, 44933), (686, 29737), (917, 22246), (1589, 12838), (1834, 11123), (3178, 6419)]