16521620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{48593}}^1$

素因数の和:48619

約数の個数: 24

約数和(自身を含む): 36737064

約数和(自身を除く): 20215444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 48593, 97186, 194372, 242965, 485930, 826081, 971860, 1652162, 3304324, 4130405, 8260810, 16521620]

約数ペア:

[(1, 16521620), (2, 8260810), (4, 4130405), (5, 3304324), (10, 1652162), (17, 971860), (20, 826081), (34, 485930), (68, 242965), (85, 194372), (170, 97186), (340, 48593)]