20372135

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25307}}^1$

素因数の和:25342

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 8782681

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25307, 126535, 177149, 582061, 885745, 2910305, 4074427, 20372135]

約数ペア:

[(1, 20372135), (5, 4074427), (7, 2910305), (23, 885745), (35, 582061), (115, 177149), (161, 126535), (805, 25307)]