20455953

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2113}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 31253376

約数和(自身を除く): 10797423

約数列:

[1, 3, 7, 21, 461, 1383, 2113, 3227, 6339, 9681, 14791, 44373, 974093, 2922279, 6818651, 20455953]

約数ペア:

[(1, 20455953), (3, 6818651), (7, 2922279), (21, 974093), (461, 44373), (1383, 14791), (2113, 9681), (3227, 6339)]