20097269

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 22080000

約数和(自身を除く): 1982731

約数列:

[1, 19, 31, 149, 229, 589, 2831, 4351, 4619, 7099, 34121, 87761, 134881, 648299, 1057751, 20097269]

約数ペア:

[(1, 20097269), (19, 1057751), (31, 648299), (149, 134881), (229, 87761), (589, 34121), (2831, 7099), (4351, 4619)]