20437595

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 25170912

約数和(自身を除く): 4733317

約数列:

[1, 5, 53, 233, 265, 331, 1165, 1655, 12349, 17543, 61745, 77123, 87715, 385615, 4087519, 20437595]

約数ペア:

[(1, 20437595), (5, 4087519), (53, 385615), (233, 87715), (265, 77123), (331, 61745), (1165, 17543), (1655, 12349)]