20431461

素因数分解:

$3^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 7244187

約数列:

[1, 3, 181, 191, 197, 543, 573, 591, 34571, 35657, 37627, 103713, 106971, 112881, 6810487, 20431461]

約数ペア:

[(1, 20431461), (3, 6810487), (181, 112881), (191, 106971), (197, 103713), (543, 37627), (573, 35657), (591, 34571)]