20525510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1831}}^1$

素因数の和:1916

約数の個数: 32

約数和(自身を含む): 39571200

約数和(自身を除く): 19045690

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 1831, 2242, 3662, 5605, 9155, 11210, 18310, 34789, 69578, 108029, 173945, 216058, 347890, 540145, 1080290, 2052551, 4105102, 10262755, 20525510]

約数ペア:

[(1, 20525510), (2, 10262755), (5, 4105102), (10, 2052551), (19, 1080290), (38, 540145), (59, 347890), (95, 216058), (118, 173945), (190, 108029), (295, 69578), (590, 34789), (1121, 18310), (1831, 11210), (2242, 9155), (3662, 5605)]