20278036

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{64171}}^1$

素因数の和:64254

約数の個数: 12

約数和(自身を含む): 35936320

約数和(自身を除く): 15658284

約数列:

[1, 2, 4, 79, 158, 316, 64171, 128342, 256684, 5069509, 10139018, 20278036]

約数ペア:

[(1, 20278036), (2, 10139018), (4, 5069509), (79, 256684), (158, 128342), (316, 64171)]