20772945

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14891}}^1$

素因数の和:14933

約数の個数: 24

約数和(自身を含む): 37170432

約数和(自身を除く): 16397487

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14891, 44673, 74455, 134019, 223365, 461621, 670095, 1384863, 2308105, 4154589, 6924315, 20772945]

約数ペア:

[(1, 20772945), (3, 6924315), (5, 4154589), (9, 2308105), (15, 1384863), (31, 670095), (45, 461621), (93, 223365), (155, 134019), (279, 74455), (465, 44673), (1395, 14891)]