20186888900

素因数分解:

$2^2\times 5^2\times {\mathrm{631}}^1\times {\mathrm{319919}}^1$

素因数の和:320564

約数の個数: 36

約数和(自身を含む): 43875108480

約数和(自身を除く): 23688219580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 631, 1262, 2524, 3155, 6310, 12620, 15775, 31550, 63100, 319919, 639838, 1279676, 1599595, 3199190, 6398380, 7997975, 15995950, 31991900, 201868889, 403737778, 807475556, 1009344445, 2018688890, 4037377780, 5046722225, 10093444450, 20186888900]

約数ペア:

[(1, 20186888900), (2, 10093444450), (4, 5046722225), (5, 4037377780), (10, 2018688890), (20, 1009344445), (25, 807475556), (50, 403737778), (100, 201868889), (631, 31991900), (1262, 15995950), (2524, 7997975), (3155, 6398380), (6310, 3199190), (12620, 1599595), (15775, 1279676), (31550, 639838), (63100, 319919)]