20170457095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1\times {\mathrm{2741}}^1$

素因数の和:3927

約数の個数: 32

約数和(自身を含む): 25870440960

約数和(自身を除く): 5699983865

約数列:

[1, 5, 19, 71, 95, 355, 1091, 1349, 2741, 5455, 6745, 13705, 20729, 52079, 77461, 103645, 194611, 260395, 387305, 973055, 1471759, 2990431, 3697609, 7358795, 14952155, 18488045, 56818189, 212320601, 284090945, 1061603005, 4034091419, 20170457095]

約数ペア:

[(1, 20170457095), (5, 4034091419), (19, 1061603005), (71, 284090945), (95, 212320601), (355, 56818189), (1091, 18488045), (1349, 14952155), (2741, 7358795), (5455, 3697609), (6745, 2990431), (13705, 1471759), (20729, 973055), (52079, 387305), (77461, 260395), (103645, 194611)]