20831505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3847}}^1$

素因数の和:3893

約数の個数: 24

約数和(自身を含む): 35186112

約数和(自身を除く): 14354607

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3847, 5415, 11541, 19235, 57705, 73093, 219279, 365465, 1096395, 1388767, 4166301, 6943835, 20831505]

約数ペア:

[(1, 20831505), (3, 6943835), (5, 4166301), (15, 1388767), (19, 1096395), (57, 365465), (95, 219279), (285, 73093), (361, 57705), (1083, 19235), (1805, 11541), (3847, 5415)]