20558288

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14437}}^1$

素因数の和:14534

約数の個数: 20

約数和(自身を含む): 40282020

約数和(自身を除く): 19723732

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14437, 28874, 57748, 115496, 230992, 1284893, 2569786, 5139572, 10279144, 20558288]

約数ペア:

[(1, 20558288), (2, 10279144), (4, 5139572), (8, 2569786), (16, 1284893), (89, 230992), (178, 115496), (356, 57748), (712, 28874), (1424, 14437)]