20305510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70019}}^1$

素因数の和:70055

約数の個数: 16

約数和(自身を含む): 37810800

約数和(自身を除く): 17505290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70019, 140038, 350095, 700190, 2030551, 4061102, 10152755, 20305510]

約数ペア:

[(1, 20305510), (2, 10152755), (5, 4061102), (10, 2030551), (29, 700190), (58, 350095), (145, 140038), (290, 70019)]