20642756484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4028641}}^1$

素因数の和:4028716

約数の個数: 48

約数和(自身を含む): 55949780096

約数和(自身を除く): 35307023612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 5124, 4028641, 8057282, 12085923, 16114564, 24171846, 28200487, 48343692, 56400974, 84601461, 112801948, 169202922, 245747101, 338405844, 491494202, 737241303, 982988404, 1474482606, 1720229707, 2948965212, 3440459414, 5160689121, 6880918828, 10321378242, 20642756484]

約数ペア:

[(1, 20642756484), (2, 10321378242), (3, 6880918828), (4, 5160689121), (6, 3440459414), (7, 2948965212), (12, 1720229707), (14, 1474482606), (21, 982988404), (28, 737241303), (42, 491494202), (61, 338405844), (84, 245747101), (122, 169202922), (183, 112801948), (244, 84601461), (366, 56400974), (427, 48343692), (732, 28200487), (854, 24171846), (1281, 16114564), (1708, 12085923), (2562, 8057282), (5124, 4028641)]