20924620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61543}}^1$

素因数の和:61569

約数の個数: 24

約数和(自身を含む): 46527264

約数和(自身を除く): 25602644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61543, 123086, 246172, 307715, 615430, 1046231, 1230860, 2092462, 4184924, 5231155, 10462310, 20924620]

約数ペア:

[(1, 20924620), (2, 10462310), (4, 5231155), (5, 4184924), (10, 2092462), (17, 1230860), (20, 1046231), (34, 615430), (68, 307715), (85, 246172), (170, 123086), (340, 61543)]