20126210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11909}}^1$

素因数の和:11942

約数の個数: 24

約数和(自身を含む): 39231540

約数和(自身を除く): 19105330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11909, 23818, 59545, 119090, 154817, 309634, 774085, 1548170, 2012621, 4025242, 10063105, 20126210]

約数ペア:

[(1, 20126210), (2, 10063105), (5, 4025242), (10, 2012621), (13, 1548170), (26, 774085), (65, 309634), (130, 154817), (169, 119090), (338, 59545), (845, 23818), (1690, 11909)]