20176828

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1042

約数の個数: 36

約数和(自身を含む): 41483232

約数和(自身を除く): 21306404

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 452, 791, 911, 1582, 1822, 3164, 3644, 5537, 6377, 11074, 12754, 22148, 25508, 44639, 89278, 102943, 178556, 205886, 411772, 720601, 1441202, 2882404, 5044207, 10088414, 20176828]

約数ペア:

[(1, 20176828), (2, 10088414), (4, 5044207), (7, 2882404), (14, 1441202), (28, 720601), (49, 411772), (98, 205886), (113, 178556), (196, 102943), (226, 89278), (452, 44639), (791, 25508), (911, 22148), (1582, 12754), (1822, 11074), (3164, 6377), (3644, 5537)]