20176393912

素因数分解:

$2^3\times {\mathrm{3989}}^1\times {\mathrm{632251}}^1$

素因数の和:636246

約数の個数: 16

約数和(自身を含む): 37840282200

約数和(自身を除く): 17663888288

約数列:

[1, 2, 4, 8, 3989, 7978, 15956, 31912, 632251, 1264502, 2529004, 5058008, 2522049239, 5044098478, 10088196956, 20176393912]

約数ペア:

[(1, 20176393912), (2, 10088196956), (4, 5044098478), (8, 2522049239), (3989, 5058008), (7978, 2529004), (15956, 1264502), (31912, 632251)]