22120010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 44442216

約数和(自身を除く): 22322206

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 121, 181, 202, 242, 362, 505, 605, 905, 1010, 1111, 1210, 1810, 1991, 2222, 3982, 5555, 9955, 11110, 12221, 18281, 19910, 21901, 24442, 36562, 43802, 61105, 91405, 109505, 122210, 182810, 201091, 219010, 402182, 1005455, 2010910, 2212001, 4424002, 11060005, 22120010]

約数ペア:

[(1, 22120010), (2, 11060005), (5, 4424002), (10, 2212001), (11, 2010910), (22, 1005455), (55, 402182), (101, 219010), (110, 201091), (121, 182810), (181, 122210), (202, 109505), (242, 91405), (362, 61105), (505, 43802), (605, 36562), (905, 24442), (1010, 21901), (1111, 19910), (1210, 18281), (1810, 12221), (1991, 11110), (2222, 9955), (3982, 5555)]