20154900476

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{2053}}^1\times {\mathrm{17657}}^1$

素因数の和:19853

約数の個数: 24

約数和(自身を含む): 35544141360

約数和(自身を除く): 15389240884

約数列:

[1, 2, 4, 139, 278, 556, 2053, 4106, 8212, 17657, 35314, 70628, 285367, 570734, 1141468, 2454323, 4908646, 9817292, 36249821, 72499642, 144999284, 5038725119, 10077450238, 20154900476]

約数ペア:

[(1, 20154900476), (2, 10077450238), (4, 5038725119), (139, 144999284), (278, 72499642), (556, 36249821), (2053, 9817292), (4106, 4908646), (8212, 2454323), (17657, 1141468), (35314, 570734), (70628, 285367)]