20525499

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 31143840

約数和(自身を除く): 10618341

約数列:

[1, 3, 9, 23, 69, 207, 229, 433, 687, 1299, 2061, 3897, 5267, 9959, 15801, 29877, 47403, 89631, 99157, 297471, 892413, 2280611, 6841833, 20525499]

約数ペア:

[(1, 20525499), (3, 6841833), (9, 2280611), (23, 892413), (69, 297471), (207, 99157), (229, 89631), (433, 47403), (687, 29877), (1299, 15801), (2061, 9959), (3897, 5267)]