20183514640

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{599273}}^1$

素因数の和:599707

約数の個数: 40

約数和(自身を含む): 47038214808

約数和(自身を除く): 26854700168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 16840, 33680, 599273, 1198546, 2397092, 2996365, 4794184, 5992730, 9588368, 11985460, 23970920, 47941840, 252293933, 504587866, 1009175732, 1261469665, 2018351464, 2522939330, 4036702928, 5045878660, 10091757320, 20183514640]

約数ペア:

[(1, 20183514640), (2, 10091757320), (4, 5045878660), (5, 4036702928), (8, 2522939330), (10, 2018351464), (16, 1261469665), (20, 1009175732), (40, 504587866), (80, 252293933), (421, 47941840), (842, 23970920), (1684, 11985460), (2105, 9588368), (3368, 5992730), (4210, 4794184), (6736, 2996365), (8420, 2397092), (16840, 1198546), (33680, 599273)]