20555788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27481}}^1$

素因数の和:27513

約数の個数: 24

約数和(自身を含む): 41552784

約数和(自身を除く): 20996996

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 27481, 54962, 109924, 302291, 467177, 604582, 934354, 1209164, 1868708, 5138947, 10277894, 20555788]

約数ペア:

[(1, 20555788), (2, 10277894), (4, 5138947), (11, 1868708), (17, 1209164), (22, 934354), (34, 604582), (44, 467177), (68, 302291), (187, 109924), (374, 54962), (748, 27481)]