20479725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13003}}^1$

素因数の和:13026

約数の個数: 36

約数和(自身を含む): 41924896

約数和(自身を除く): 21445171

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13003, 39009, 65015, 91021, 117027, 195045, 273063, 325075, 455105, 585135, 819189, 975225, 1365315, 2275525, 2925675, 4095945, 6826575, 20479725]

約数ペア:

[(1, 20479725), (3, 6826575), (5, 4095945), (7, 2925675), (9, 2275525), (15, 1365315), (21, 975225), (25, 819189), (35, 585135), (45, 455105), (63, 325075), (75, 273063), (105, 195045), (175, 117027), (225, 91021), (315, 65015), (525, 39009), (1575, 13003)]