20731679241

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6689}}^1\times {\mathrm{11353}}^1$

素因数の和:18065

約数の個数: 32

約数和(自身を含む): 34029300480

約数和(自身を除く): 13297621239

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 6689, 11353, 20067, 34059, 46823, 79471, 86957, 140469, 147589, 238413, 260871, 442767, 608699, 1033123, 1826097, 3099369, 75940217, 227820651, 531581519, 987222821, 1594744557, 2961668463, 6910559747, 20731679241]

約数ペア:

[(1, 20731679241), (3, 6910559747), (7, 2961668463), (13, 1594744557), (21, 987222821), (39, 531581519), (91, 227820651), (273, 75940217), (6689, 3099369), (11353, 1826097), (20067, 1033123), (34059, 608699), (46823, 442767), (79471, 260871), (86957, 238413), (140469, 147589)]