20454660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37879}}^1$

素因数の和:37897

約数の個数: 48

約数和(自身を含む): 63638400

約数和(自身を除く): 43183740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37879, 75758, 113637, 151516, 189395, 227274, 340911, 378790, 454548, 568185, 681822, 757580, 1022733, 1136370, 1363644, 1704555, 2045466, 2272740, 3409110, 4090932, 5113665, 6818220, 10227330, 20454660]

約数ペア:

[(1, 20454660), (2, 10227330), (3, 6818220), (4, 5113665), (5, 4090932), (6, 3409110), (9, 2272740), (10, 2045466), (12, 1704555), (15, 1363644), (18, 1136370), (20, 1022733), (27, 757580), (30, 681822), (36, 568185), (45, 454548), (54, 378790), (60, 340911), (90, 227274), (108, 189395), (135, 151516), (180, 113637), (270, 75758), (540, 37879)]