20463525

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1002

約数の個数: 36

約数和(自身を含む): 37050208

約数和(自身を除く): 16586683

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 883, 927, 1545, 2575, 2649, 4415, 4635, 7725, 7947, 13245, 22075, 23175, 39735, 66225, 90949, 198675, 272847, 454745, 818541, 1364235, 2273725, 4092705, 6821175, 20463525]

約数ペア:

[(1, 20463525), (3, 6821175), (5, 4092705), (9, 2273725), (15, 1364235), (25, 818541), (45, 454745), (75, 272847), (103, 198675), (225, 90949), (309, 66225), (515, 39735), (883, 23175), (927, 22075), (1545, 13245), (2575, 7947), (2649, 7725), (4415, 4635)]