20265190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10837}}^1$

素因数の和:10872

約数の個数: 32

約数和(自身を含む): 42138144

約数和(自身を除く): 21872954

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10837, 21674, 54185, 108370, 119207, 184229, 238414, 368458, 596035, 921145, 1192070, 1842290, 2026519, 4053038, 10132595, 20265190]

約数ペア:

[(1, 20265190), (2, 10132595), (5, 4053038), (10, 2026519), (11, 1842290), (17, 1192070), (22, 921145), (34, 596035), (55, 368458), (85, 238414), (110, 184229), (170, 119207), (187, 108370), (374, 54185), (935, 21674), (1870, 10837)]