20078564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1579}}^1$

素因数の和:1628

約数の個数: 36

約数和(自身を含む): 40745040

約数和(自身を除く): 20666476

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1579, 3158, 3179, 6316, 6358, 12716, 17369, 26843, 34738, 53686, 69476, 107372, 295273, 456331, 590546, 912662, 1181092, 1825324, 5019641, 10039282, 20078564]

約数ペア:

[(1, 20078564), (2, 10039282), (4, 5019641), (11, 1825324), (17, 1181092), (22, 912662), (34, 590546), (44, 456331), (68, 295273), (187, 107372), (289, 69476), (374, 53686), (578, 34738), (748, 26843), (1156, 17369), (1579, 12716), (3158, 6358), (3179, 6316)]