20168093420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9251419}}^1$

素因数の和:9251537

約数の個数: 24

約数和(自身を含む): 42741560400

約数和(自身を除く): 22573466980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9251419, 18502838, 37005676, 46257095, 92514190, 185028380, 1008404671, 2016809342, 4033618684, 5042023355, 10084046710, 20168093420]

約数ペア:

[(1, 20168093420), (2, 10084046710), (4, 5042023355), (5, 4033618684), (10, 2016809342), (20, 1008404671), (109, 185028380), (218, 92514190), (436, 46257095), (545, 37005676), (1090, 18502838), (2180, 9251419)]