20686854

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{65053}}^1$

素因数の和:65111

約数の個数: 16

約数和(自身を含む): 42154992

約数和(自身を除く): 21468138

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 65053, 130106, 195159, 390318, 3447809, 6895618, 10343427, 20686854]

約数ペア:

[(1, 20686854), (2, 10343427), (3, 6895618), (6, 3447809), (53, 390318), (106, 195159), (159, 130106), (318, 65053)]