20270420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34949}}^1$

素因数の和:34987

約数の個数: 24

約数和(自身を含む): 44037000

約数和(自身を除く): 23766580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34949, 69898, 139796, 174745, 349490, 698980, 1013521, 2027042, 4054084, 5067605, 10135210, 20270420]

約数ペア:

[(1, 20270420), (2, 10135210), (4, 5067605), (5, 4054084), (10, 2027042), (20, 1013521), (29, 698980), (58, 349490), (116, 174745), (145, 139796), (290, 69898), (580, 34949)]