20639056

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41611}}^1$

素因数の和:41650

約数の個数: 20

約数和(自身を含む): 41279104

約数和(自身を除く): 20640048

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41611, 83222, 166444, 332888, 665776, 1289941, 2579882, 5159764, 10319528, 20639056]

約数ペア:

[(1, 20639056), (2, 10319528), (4, 5159764), (8, 2579882), (16, 1289941), (31, 665776), (62, 332888), (124, 166444), (248, 83222), (496, 41611)]