20946705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8263}}^1$

素因数の和:8297

約数の個数: 24

約数和(自身を含む): 36295488

約数和(自身を除く): 15348783

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8263, 24789, 41315, 107419, 123945, 322257, 537095, 1396447, 1611285, 4189341, 6982235, 20946705]

約数ペア:

[(1, 20946705), (3, 6982235), (5, 4189341), (13, 1611285), (15, 1396447), (39, 537095), (65, 322257), (169, 123945), (195, 107419), (507, 41315), (845, 24789), (2535, 8263)]