20452190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10937}}^1$

素因数の和:10972

約数の個数: 32

約数和(自身を含む): 42526944

約数和(自身を除く): 22074754

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10937, 21874, 54685, 109370, 120307, 185929, 240614, 371858, 601535, 929645, 1203070, 1859290, 2045219, 4090438, 10226095, 20452190]

約数ペア:

[(1, 20452190), (2, 10226095), (5, 4090438), (10, 2045219), (11, 1859290), (17, 1203070), (22, 929645), (34, 601535), (55, 371858), (85, 240614), (110, 185929), (170, 120307), (187, 109370), (374, 54685), (935, 21874), (1870, 10937)]