206465620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{94709}}^1$

素因数の和:94827

約数の個数: 24

約数和(自身を含む): 437560200

約数和(自身を除く): 231094580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 94709, 189418, 378836, 473545, 947090, 1894180, 10323281, 20646562, 41293124, 51616405, 103232810, 206465620]

約数ペア:

[(1, 206465620), (2, 103232810), (4, 51616405), (5, 41293124), (10, 20646562), (20, 10323281), (109, 1894180), (218, 947090), (436, 473545), (545, 378836), (1090, 189418), (2180, 94709)]