660872020

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{35569}}^1$

素因数の和:36507

約数の個数: 24

約数和(自身を含む): 1389364200

約数和(自身を除く): 728492180

約数列:

[1, 2, 4, 5, 10, 20, 929, 1858, 3716, 4645, 9290, 18580, 35569, 71138, 142276, 177845, 355690, 711380, 33043601, 66087202, 132174404, 165218005, 330436010, 660872020]

約数ペア:

[(1, 660872020), (2, 330436010), (4, 165218005), (5, 132174404), (10, 66087202), (20, 33043601), (929, 711380), (1858, 355690), (3716, 177845), (4645, 142276), (9290, 71138), (18580, 35569)]