20947480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22769}}^1$

素因数の和:22803

約数の個数: 32

約数和(自身を含む): 49183200

約数和(自身を除く): 28235720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22769, 45538, 91076, 113845, 182152, 227690, 455380, 523687, 910760, 1047374, 2094748, 2618435, 4189496, 5236870, 10473740, 20947480]

約数ペア:

[(1, 20947480), (2, 10473740), (4, 5236870), (5, 4189496), (8, 2618435), (10, 2094748), (20, 1047374), (23, 910760), (40, 523687), (46, 455380), (92, 227690), (115, 182152), (184, 113845), (230, 91076), (460, 45538), (920, 22769)]