20077791

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 27635424

約数和(自身を除く): 7557633

約数列:

[1, 3, 37, 111, 277, 653, 831, 1959, 10249, 24161, 30747, 72483, 180881, 542643, 6692597, 20077791]

約数ペア:

[(1, 20077791), (3, 6692597), (37, 542643), (111, 180881), (277, 72483), (653, 30747), (831, 24161), (1959, 10249)]