20016225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5233}}^1$

素因数の和:5266

約数の個数: 36

約数和(自身を含む): 37967436

約数和(自身を除く): 17951211

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5233, 15699, 26165, 47097, 78495, 88961, 130825, 235485, 266883, 392475, 444805, 800649, 1177425, 1334415, 2224025, 4003245, 6672075, 20016225]

約数ペア:

[(1, 20016225), (3, 6672075), (5, 4003245), (9, 2224025), (15, 1334415), (17, 1177425), (25, 800649), (45, 444805), (51, 392475), (75, 266883), (85, 235485), (153, 130825), (225, 88961), (255, 78495), (425, 47097), (765, 26165), (1275, 15699), (3825, 5233)]