159552020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{73189}}^1$

素因数の和:73307

約数の個数: 24

約数和(自身を含む): 338137800

約数和(自身を除く): 178585780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 73189, 146378, 292756, 365945, 731890, 1463780, 7977601, 15955202, 31910404, 39888005, 79776010, 159552020]

約数ペア:

[(1, 159552020), (2, 79776010), (4, 39888005), (5, 31910404), (10, 15955202), (20, 7977601), (109, 1463780), (218, 731890), (436, 365945), (545, 292756), (1090, 146378), (2180, 73189)]