20857579048

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{2381}}^1\times {\mathrm{7349}}^1$

素因数の和:9885

約数の個数: 32

約数和(自身を含む): 39392325000

約数和(自身を除く): 18534745952

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 2381, 4762, 7349, 9524, 14698, 19048, 29396, 58792, 354769, 709538, 1095001, 1419076, 2190002, 2838152, 4380004, 8760008, 17497969, 34995938, 69991876, 139983752, 2607197381, 5214394762, 10428789524, 20857579048]

約数ペア:

[(1, 20857579048), (2, 10428789524), (4, 5214394762), (8, 2607197381), (149, 139983752), (298, 69991876), (596, 34995938), (1192, 17497969), (2381, 8760008), (4762, 4380004), (7349, 2838152), (9524, 2190002), (14698, 1419076), (19048, 1095001), (29396, 709538), (58792, 354769)]