20312140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53453}}^1$

素因数の和:53481

約数の個数: 24

約数和(自身を含む): 44901360

約数和(自身を除く): 24589220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53453, 106906, 213812, 267265, 534530, 1015607, 1069060, 2031214, 4062428, 5078035, 10156070, 20312140]

約数ペア:

[(1, 20312140), (2, 10156070), (4, 5078035), (5, 4062428), (10, 2031214), (19, 1069060), (20, 1015607), (38, 534530), (76, 267265), (95, 213812), (190, 106906), (380, 53453)]