20970728

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24049}}^1$

素因数の和:24164

約数の個数: 16

約数和(自身を含む): 39682500

約数和(自身を除く): 18711772

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24049, 48098, 96196, 192392, 2621341, 5242682, 10485364, 20970728]

約数ペア:

[(1, 20970728), (2, 10485364), (4, 5242682), (8, 2621341), (109, 192392), (218, 96196), (436, 48098), (872, 24049)]