20873820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31627}}^1$

素因数の和:31650

約数の個数: 48

約数和(自身を含む): 63762048

約数和(自身を除く): 42888228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31627, 63254, 94881, 126508, 158135, 189762, 316270, 347897, 379524, 474405, 632540, 695794, 948810, 1043691, 1391588, 1739485, 1897620, 2087382, 3478970, 4174764, 5218455, 6957940, 10436910, 20873820]

約数ペア:

[(1, 20873820), (2, 10436910), (3, 6957940), (4, 5218455), (5, 4174764), (6, 3478970), (10, 2087382), (11, 1897620), (12, 1739485), (15, 1391588), (20, 1043691), (22, 948810), (30, 695794), (33, 632540), (44, 474405), (55, 379524), (60, 347897), (66, 316270), (110, 189762), (132, 158135), (165, 126508), (220, 94881), (330, 63254), (660, 31627)]