20194992005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1\times {\mathrm{1997}}^1$

素因数の和:3317

約数の個数: 32

約数和(自身を含む): 25521205248

約数和(自身を除く): 5326213243

約数列:

[1, 5, 31, 53, 155, 265, 1231, 1643, 1997, 6155, 8215, 9985, 38161, 61907, 65243, 105841, 190805, 309535, 326215, 529205, 2022533, 2458307, 3281071, 10112665, 12291535, 16405355, 76207517, 130290271, 381037585, 651451355, 4038998401, 20194992005]

約数ペア:

[(1, 20194992005), (5, 4038998401), (31, 651451355), (53, 381037585), (155, 130290271), (265, 76207517), (1231, 16405355), (1643, 12291535), (1997, 10112665), (6155, 3281071), (8215, 2458307), (9985, 2022533), (38161, 529205), (61907, 326215), (65243, 309535), (105841, 190805)]