20180772896

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2182177}}^1$

素因数の和:2182221

約数の個数: 36

約数和(自身を含む): 42205504698

約数和(自身を除く): 22024731802

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 9248, 2182177, 4364354, 8728708, 17457416, 34914832, 37097009, 69829664, 74194018, 148388036, 296776072, 593552144, 630649153, 1187104288, 1261298306, 2522596612, 5045193224, 10090386448, 20180772896]

約数ペア:

[(1, 20180772896), (2, 10090386448), (4, 5045193224), (8, 2522596612), (16, 1261298306), (17, 1187104288), (32, 630649153), (34, 593552144), (68, 296776072), (136, 148388036), (272, 74194018), (289, 69829664), (544, 37097009), (578, 34914832), (1156, 17457416), (2312, 8728708), (4624, 4364354), (9248, 2182177)]