20972665

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26053}}^1$

素因数の和:26088

約数の個数: 16

約数和(自身を含む): 30014208

約数和(自身を除く): 9041543

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26053, 130265, 182371, 599219, 911855, 2996095, 4194533, 20972665]

約数ペア:

[(1, 20972665), (5, 4194533), (7, 2996095), (23, 911855), (35, 599219), (115, 182371), (161, 130265), (805, 26053)]