20573063

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2411}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 25007616

約数和(自身を除く): 4434553

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2411, 8533, 16877, 55453, 127783, 388171, 894481, 2939009, 20573063]

約数ペア:

[(1, 20573063), (7, 2939009), (23, 894481), (53, 388171), (161, 127783), (371, 55453), (1219, 16877), (2411, 8533)]