20602810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7129}}^1$

素因数の和:7170

約数の個数: 24

約数和(自身を含む): 39400380

約数和(自身を除く): 18797570

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7129, 14258, 35645, 71290, 121193, 242386, 605965, 1211930, 2060281, 4120562, 10301405, 20602810]

約数ペア:

[(1, 20602810), (2, 10301405), (5, 4120562), (10, 2060281), (17, 1211930), (34, 605965), (85, 242386), (170, 121193), (289, 71290), (578, 35645), (1445, 14258), (2890, 7129)]