20451928

素因数分解:

$2^3\times 7^1\times {\mathrm{365213}}^1$

素因数の和:365226

約数の個数: 16

約数和(自身を含む): 43825680

約数和(自身を除く): 23373752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 365213, 730426, 1460852, 2556491, 2921704, 5112982, 10225964, 20451928]

約数ペア:

[(1, 20451928), (2, 10225964), (4, 5112982), (7, 2921704), (8, 2556491), (14, 1460852), (28, 730426), (56, 365213)]