19200820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56473}}^1$

素因数の和:56499

約数の個数: 24

約数和(自身を含む): 42694344

約数和(自身を除く): 23493524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56473, 112946, 225892, 282365, 564730, 960041, 1129460, 1920082, 3840164, 4800205, 9600410, 19200820]

約数ペア:

[(1, 19200820), (2, 9600410), (4, 4800205), (5, 3840164), (10, 1920082), (17, 1129460), (20, 960041), (34, 564730), (68, 282365), (85, 225892), (170, 112946), (340, 56473)]