20121309121

素因数分解:

${\mathrm{23}}^1\times {\mathrm{547}}^1\times {\mathrm{983}}^1\times {\mathrm{1627}}^1$

素因数の和:3180

約数の個数: 16

約数和(自身を含む): 21068872704

約数和(自身を除く): 947563583

約数列:

[1, 23, 547, 983, 1627, 12581, 22609, 37421, 537701, 889969, 1599341, 12367123, 20469287, 36784843, 874839527, 20121309121]

約数ペア:

[(1, 20121309121), (23, 874839527), (547, 36784843), (983, 20469287), (1627, 12367123), (12581, 1599341), (22609, 889969), (37421, 537701)]