15209620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10711}}^1$

素因数の和:10791

約数の個数: 24

約数和(自身を含む): 32393088

約数和(自身を除く): 17183468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10711, 21422, 42844, 53555, 107110, 214220, 760481, 1520962, 3041924, 3802405, 7604810, 15209620]

約数ペア:

[(1, 15209620), (2, 7604810), (4, 3802405), (5, 3041924), (10, 1520962), (20, 760481), (71, 214220), (142, 107110), (284, 53555), (355, 42844), (710, 21422), (1420, 10711)]