20707928

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{22907}}^1$

素因数の和:23026

約数の個数: 16

約数和(自身を含む): 39172680

約数和(自身を除く): 18464752

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 22907, 45814, 91628, 183256, 2588491, 5176982, 10353964, 20707928]

約数ペア:

[(1, 20707928), (2, 10353964), (4, 5176982), (8, 2588491), (113, 183256), (226, 91628), (452, 45814), (904, 22907)]