20096890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 42143976

約数和(自身を除く): 22047086

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 935, 977, 1210, 1870, 1954, 2057, 4114, 4885, 9770, 10285, 10747, 16609, 20570, 21494, 33218, 53735, 83045, 107470, 118217, 166090, 182699, 236434, 365398, 591085, 913495, 1182170, 1826990, 2009689, 4019378, 10048445, 20096890]

約数ペア:

[(1, 20096890), (2, 10048445), (5, 4019378), (10, 2009689), (11, 1826990), (17, 1182170), (22, 913495), (34, 591085), (55, 365398), (85, 236434), (110, 182699), (121, 166090), (170, 118217), (187, 107470), (242, 83045), (374, 53735), (605, 33218), (935, 21494), (977, 20570), (1210, 16609), (1870, 10747), (1954, 10285), (2057, 9770), (4114, 4885)]