20176935580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{572233}}^1$

素因数の和:572326

約数の個数: 48

約数和(自身を含む): 44414514144

約数和(自身を除く): 24237578564

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 572233, 1144466, 2288932, 2861165, 5722330, 11444660, 23461553, 24606019, 46923106, 49212038, 93846212, 98424076, 117307765, 123030095, 234615530, 246060190, 469231060, 492120380, 1008846779, 2017693558, 4035387116, 5044233895, 10088467790, 20176935580]

約数ペア:

[(1, 20176935580), (2, 10088467790), (4, 5044233895), (5, 4035387116), (10, 2017693558), (20, 1008846779), (41, 492120380), (43, 469231060), (82, 246060190), (86, 234615530), (164, 123030095), (172, 117307765), (205, 98424076), (215, 93846212), (410, 49212038), (430, 46923106), (820, 24606019), (860, 23461553), (1763, 11444660), (3526, 5722330), (7052, 2861165), (8815, 2288932), (17630, 1144466), (35260, 572233)]