20343621

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 27869184

約数和(自身を除く): 7525563

約数列:

[1, 3, 47, 141, 223, 647, 669, 1941, 10481, 30409, 31443, 91227, 144281, 432843, 6781207, 20343621]

約数ペア:

[(1, 20343621), (3, 6781207), (47, 432843), (141, 144281), (223, 91227), (647, 31443), (669, 30409), (1941, 10481)]