20812672

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{587}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 41683320

約数和(自身を除く): 20870648

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 587, 1108, 1174, 2216, 2348, 4432, 4696, 8864, 9392, 17728, 18784, 35456, 37568, 75136, 162599, 325198, 650396, 1300792, 2601584, 5203168, 10406336, 20812672]

約数ペア:

[(1, 20812672), (2, 10406336), (4, 5203168), (8, 2601584), (16, 1300792), (32, 650396), (64, 325198), (128, 162599), (277, 75136), (554, 37568), (587, 35456), (1108, 18784), (1174, 17728), (2216, 9392), (2348, 8864), (4432, 4696)]