20664198

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12899}}^1$

素因数の和:12996

約数の個数: 24

約数和(自身を含む): 45279000

約数和(自身を除く): 24614802

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12899, 25798, 38697, 77394, 116091, 232182, 1148011, 2296022, 3444033, 6888066, 10332099, 20664198]

約数ペア:

[(1, 20664198), (2, 10332099), (3, 6888066), (6, 3444033), (9, 2296022), (18, 1148011), (89, 232182), (178, 116091), (267, 77394), (534, 38697), (801, 25798), (1602, 12899)]