20057776

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20551}}^1$

素因数の和:20620

約数の個数: 20

約数和(自身を含む): 39500944

約数和(自身を除く): 19443168

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20551, 41102, 82204, 164408, 328816, 1253611, 2507222, 5014444, 10028888, 20057776]

約数ペア:

[(1, 20057776), (2, 10028888), (4, 5014444), (8, 2507222), (16, 1253611), (61, 328816), (122, 164408), (244, 82204), (488, 41102), (976, 20551)]