20852120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27437}}^1$

素因数の和:27467

約数の個数: 32

約数和(自身を含む): 49388400

約数和(自身を除く): 28536280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27437, 54874, 109748, 137185, 219496, 274370, 521303, 548740, 1042606, 1097480, 2085212, 2606515, 4170424, 5213030, 10426060, 20852120]

約数ペア:

[(1, 20852120), (2, 10426060), (4, 5213030), (5, 4170424), (8, 2606515), (10, 2085212), (19, 1097480), (20, 1042606), (38, 548740), (40, 521303), (76, 274370), (95, 219496), (152, 137185), (190, 109748), (380, 54874), (760, 27437)]