20172952779

素因数分解:

$3^1\times 7^1\times {\mathrm{19661}}^1\times {\mathrm{48859}}^1$

素因数の和:68530

約数の個数: 16

約数和(自身を含む): 30741930240

約数和(自身を除く): 10568977461

約数列:

[1, 3, 7, 21, 19661, 48859, 58983, 137627, 146577, 342013, 412881, 1026039, 960616799, 2881850397, 6724317593, 20172952779]

約数ペア:

[(1, 20172952779), (3, 6724317593), (7, 2881850397), (21, 960616799), (19661, 1026039), (48859, 412881), (58983, 342013), (137627, 146577)]