20906664

素因数分解:

$2^3\times 3^1\times {\mathrm{311}}^1\times {\mathrm{2801}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 52453440

約数和(自身を除く): 31546776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 311, 622, 933, 1244, 1866, 2488, 2801, 3732, 5602, 7464, 8403, 11204, 16806, 22408, 33612, 67224, 871111, 1742222, 2613333, 3484444, 5226666, 6968888, 10453332, 20906664]

約数ペア:

[(1, 20906664), (2, 10453332), (3, 6968888), (4, 5226666), (6, 3484444), (8, 2613333), (12, 1742222), (24, 871111), (311, 67224), (622, 33612), (933, 22408), (1244, 16806), (1866, 11204), (2488, 8403), (2801, 7464), (3732, 5602)]