12561980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36947}}^1$

素因数の和:36973

約数の個数: 24

約数和(自身を含む): 27932688

約数和(自身を除く): 15370708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 36947, 73894, 147788, 184735, 369470, 628099, 738940, 1256198, 2512396, 3140495, 6280990, 12561980]

約数ペア:

[(1, 12561980), (2, 6280990), (4, 3140495), (5, 2512396), (10, 1256198), (17, 738940), (20, 628099), (34, 369470), (68, 184735), (85, 147788), (170, 73894), (340, 36947)]