20778528

素因数分解:

$2^5\times 3^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 55109376

約数和(自身を除く): 34330848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 101, 202, 303, 404, 606, 808, 1212, 1616, 2143, 2424, 3232, 4286, 4848, 6429, 8572, 9696, 12858, 17144, 25716, 34288, 51432, 68576, 102864, 205728, 216443, 432886, 649329, 865772, 1298658, 1731544, 2597316, 3463088, 5194632, 6926176, 10389264, 20778528]

約数ペア:

[(1, 20778528), (2, 10389264), (3, 6926176), (4, 5194632), (6, 3463088), (8, 2597316), (12, 1731544), (16, 1298658), (24, 865772), (32, 649329), (48, 432886), (96, 216443), (101, 205728), (202, 102864), (303, 68576), (404, 51432), (606, 34288), (808, 25716), (1212, 17144), (1616, 12858), (2143, 9696), (2424, 8572), (3232, 6429), (4286, 4848)]