20380020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10957}}^1$

素因数の和:11000

約数の個数: 48

約数和(自身を含む): 58910208

約数和(自身を除く): 38530188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10957, 21914, 32871, 43828, 54785, 65742, 109570, 131484, 164355, 219140, 328710, 339667, 657420, 679334, 1019001, 1358668, 1698335, 2038002, 3396670, 4076004, 5095005, 6793340, 10190010, 20380020]

約数ペア:

[(1, 20380020), (2, 10190010), (3, 6793340), (4, 5095005), (5, 4076004), (6, 3396670), (10, 2038002), (12, 1698335), (15, 1358668), (20, 1019001), (30, 679334), (31, 657420), (60, 339667), (62, 328710), (93, 219140), (124, 164355), (155, 131484), (186, 109570), (310, 65742), (372, 54785), (465, 43828), (620, 32871), (930, 21914), (1860, 10957)]