20880476

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 37385040

約数和(自身を除く): 16504564

約数列:

[1, 2, 4, 83, 109, 166, 218, 332, 436, 577, 1154, 2308, 9047, 18094, 36188, 47891, 62893, 95782, 125786, 191564, 251572, 5220119, 10440238, 20880476]

約数ペア:

[(1, 20880476), (2, 10440238), (4, 5220119), (83, 251572), (109, 191564), (166, 125786), (218, 95782), (332, 62893), (436, 47891), (577, 36188), (1154, 18094), (2308, 9047)]