20827510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6529}}^1$

素因数の和:6576

約数の個数: 32

約数和(自身を含む): 42314400

約数和(自身を除く): 21486890

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6529, 13058, 32645, 65290, 71819, 143638, 189341, 359095, 378682, 718190, 946705, 1893410, 2082751, 4165502, 10413755, 20827510]

約数ペア:

[(1, 20827510), (2, 10413755), (5, 4165502), (10, 2082751), (11, 1893410), (22, 946705), (29, 718190), (55, 378682), (58, 359095), (110, 189341), (145, 143638), (290, 71819), (319, 65290), (638, 32645), (1595, 13058), (3190, 6529)]