20254498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2251}}^1$

素因数の和:2673

約数の個数: 16

約数和(自身を含む): 33239520

約数和(自身を除く): 12985022

約数列:

[1, 2, 11, 22, 409, 818, 2251, 4499, 4502, 8998, 24761, 49522, 920659, 1841318, 10127249, 20254498]

約数ペア:

[(1, 20254498), (2, 10127249), (11, 1841318), (22, 920659), (409, 49522), (818, 24761), (2251, 8998), (4499, 4502)]