20257386

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78517}}^1$

素因数の和:78565

約数の個数: 16

約数和(自身を含む): 41457504

約数和(自身を除く): 21200118

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78517, 157034, 235551, 471102, 3376231, 6752462, 10128693, 20257386]

約数ペア:

[(1, 20257386), (2, 10128693), (3, 6752462), (6, 3376231), (43, 471102), (86, 235551), (129, 157034), (258, 78517)]