20868010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122753}}^1$

素因数の和:122777

約数の個数: 16

約数和(自身を含む): 39772296

約数和(自身を除く): 18904286

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122753, 245506, 613765, 1227530, 2086801, 4173602, 10434005, 20868010]

約数ペア:

[(1, 20868010), (2, 10434005), (5, 4173602), (10, 2086801), (17, 1227530), (34, 613765), (85, 245506), (170, 122753)]