20992808

素因数分解:

$2^3\times {\mathrm{617}}^1\times {\mathrm{4253}}^1$

素因数の和:4876

約数の個数: 16

約数和(自身を含む): 39434580

約数和(自身を除く): 18441772

約数列:

[1, 2, 4, 8, 617, 1234, 2468, 4253, 4936, 8506, 17012, 34024, 2624101, 5248202, 10496404, 20992808]

約数ペア:

[(1, 20992808), (2, 10496404), (4, 5248202), (8, 2624101), (617, 34024), (1234, 17012), (2468, 8506), (4253, 4936)]