20652864

素因数分解:

$2^6\times 3^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:687

約数の個数: 56

約数和(自身を含む): 54985920

約数和(自身を除く): 34333056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 263, 409, 526, 789, 818, 1052, 1227, 1578, 1636, 2104, 2454, 3156, 3272, 4208, 4908, 6312, 6544, 8416, 9816, 12624, 13088, 16832, 19632, 25248, 26176, 39264, 50496, 78528, 107567, 215134, 322701, 430268, 645402, 860536, 1290804, 1721072, 2581608, 3442144, 5163216, 6884288, 10326432, 20652864]

約数ペア:

[(1, 20652864), (2, 10326432), (3, 6884288), (4, 5163216), (6, 3442144), (8, 2581608), (12, 1721072), (16, 1290804), (24, 860536), (32, 645402), (48, 430268), (64, 322701), (96, 215134), (192, 107567), (263, 78528), (409, 50496), (526, 39264), (789, 26176), (818, 25248), (1052, 19632), (1227, 16832), (1578, 13088), (1636, 12624), (2104, 9816), (2454, 8416), (3156, 6544), (3272, 6312), (4208, 4908)]