11661220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{14221}}^1$

素因数の和:14271

約数の個数: 24

約数和(自身を含む): 25087608

約数和(自身を除く): 13426388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 14221, 28442, 56884, 71105, 142210, 284420, 583061, 1166122, 2332244, 2915305, 5830610, 11661220]

約数ペア:

[(1, 11661220), (2, 5830610), (4, 2915305), (5, 2332244), (10, 1166122), (20, 583061), (41, 284420), (82, 142210), (164, 71105), (205, 56884), (410, 28442), (820, 14221)]