20153870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9643}}^1$

素因数の和:9680

約数の個数: 32

約数和(自身を含む): 41662080

約数和(自身を除く): 21508210

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9643, 19286, 48215, 96430, 106073, 183217, 212146, 366434, 530365, 916085, 1060730, 1832170, 2015387, 4030774, 10076935, 20153870]

約数ペア:

[(1, 20153870), (2, 10076935), (5, 4030774), (10, 2015387), (11, 1832170), (19, 1060730), (22, 916085), (38, 530365), (55, 366434), (95, 212146), (110, 183217), (190, 106073), (209, 96430), (418, 48215), (1045, 19286), (2090, 9643)]