20161388180

素因数分解:

$2^2\times 5^1\times {\mathrm{24071}}^1\times {\mathrm{41879}}^1$

素因数の和:65959

約数の個数: 24

約数和(自身を含む): 42341685120

約数和(自身を除く): 22180296940

約数列:

[1, 2, 4, 5, 10, 20, 24071, 41879, 48142, 83758, 96284, 120355, 167516, 209395, 240710, 418790, 481420, 837580, 1008069409, 2016138818, 4032277636, 5040347045, 10080694090, 20161388180]

約数ペア:

[(1, 20161388180), (2, 10080694090), (4, 5040347045), (5, 4032277636), (10, 2016138818), (20, 1008069409), (24071, 837580), (41879, 481420), (48142, 418790), (83758, 240710), (96284, 209395), (120355, 167516)]