20459210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70549}}^1$

素因数の和:70585

約数の個数: 16

約数和(自身を含む): 38097000

約数和(自身を除く): 17637790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70549, 141098, 352745, 705490, 2045921, 4091842, 10229605, 20459210]

約数ペア:

[(1, 20459210), (2, 10229605), (5, 4091842), (10, 2045921), (29, 705490), (58, 352745), (145, 141098), (290, 70549)]