20750672

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5167}}^1$

素因数の和:5426

約数の個数: 20

約数和(自身を含む): 40372416

約数和(自身を除く): 19621744

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5167, 10334, 20668, 41336, 82672, 1296917, 2593834, 5187668, 10375336, 20750672]

約数ペア:

[(1, 20750672), (2, 10375336), (4, 5187668), (8, 2593834), (16, 1296917), (251, 82672), (502, 41336), (1004, 20668), (2008, 10334), (4016, 5167)]