20213305880

素因数分解:

$2^3\times 5^1\times {\mathrm{107449}}^1\times {\mathrm{4703}}^1$

素因数の和:112163

約数の個数: 32

約数和(自身を含む): 45490032000

約数和(自身を除く): 25276726120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4703, 9406, 18812, 23515, 37624, 47030, 94060, 107449, 188120, 214898, 429796, 537245, 859592, 1074490, 2148980, 4297960, 505332647, 1010665294, 2021330588, 2526663235, 4042661176, 5053326470, 10106652940, 20213305880]

約数ペア:

[(1, 20213305880), (2, 10106652940), (4, 5053326470), (5, 4042661176), (8, 2526663235), (10, 2021330588), (20, 1010665294), (40, 505332647), (4703, 4297960), (9406, 2148980), (18812, 1074490), (23515, 859592), (37624, 537245), (47030, 429796), (94060, 214898), (107449, 188120)]