20721672

素因数分解:

$2^3\times 3^2\times {\mathrm{287801}}^1$

素因数の和:287813

約数の個数: 24

約数和(自身を含む): 56121390

約数和(自身を除く): 35399718

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 287801, 575602, 863403, 1151204, 1726806, 2302408, 2590209, 3453612, 5180418, 6907224, 10360836, 20721672]

約数ペア:

[(1, 20721672), (2, 10360836), (3, 6907224), (4, 5180418), (6, 3453612), (8, 2590209), (9, 2302408), (12, 1726806), (18, 1151204), (24, 863403), (36, 575602), (72, 287801)]