20755130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1055

約数の個数: 48

約数和(自身を含む): 43522920

約数和(自身を除く): 22767790

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 935, 1009, 1210, 1870, 2018, 2057, 4114, 5045, 10090, 10285, 11099, 17153, 20570, 22198, 34306, 55495, 85765, 110990, 122089, 171530, 188683, 244178, 377366, 610445, 943415, 1220890, 1886830, 2075513, 4151026, 10377565, 20755130]

約数ペア:

[(1, 20755130), (2, 10377565), (5, 4151026), (10, 2075513), (11, 1886830), (17, 1220890), (22, 943415), (34, 610445), (55, 377366), (85, 244178), (110, 188683), (121, 171530), (170, 122089), (187, 110990), (242, 85765), (374, 55495), (605, 34306), (935, 22198), (1009, 20570), (1210, 17153), (1870, 11099), (2018, 10285), (2057, 10090), (4114, 5045)]