20705410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4591}}^1$

素因数の和:4650

約数の個数: 32

約数和(自身を含む): 41658624

約数和(自身を除く): 20953214

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4591, 9182, 22955, 45910, 50501, 101002, 188231, 252505, 376462, 505010, 941155, 1882310, 2070541, 4141082, 10352705, 20705410]

約数ペア:

[(1, 20705410), (2, 10352705), (5, 4141082), (10, 2070541), (11, 1882310), (22, 941155), (41, 505010), (55, 376462), (82, 252505), (110, 188231), (205, 101002), (410, 50501), (451, 45910), (902, 22955), (2255, 9182), (4510, 4591)]