20340080660

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1151}}^1\times {\mathrm{3697}}^1$

素因数の和:5096

約数の個数: 48

約数和(自身を含む): 42941767680

約数和(自身を除く): 22601687020

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1151, 1195, 2302, 2390, 3697, 4604, 4780, 5755, 7394, 11510, 14788, 18485, 23020, 36970, 73940, 275089, 550178, 883583, 1100356, 1375445, 1767166, 2750890, 3534332, 4255247, 4417915, 5501780, 8510494, 8835830, 17020988, 17671660, 21276235, 42552470, 85104940, 1017004033, 2034008066, 4068016132, 5085020165, 10170040330, 20340080660]

約数ペア:

[(1, 20340080660), (2, 10170040330), (4, 5085020165), (5, 4068016132), (10, 2034008066), (20, 1017004033), (239, 85104940), (478, 42552470), (956, 21276235), (1151, 17671660), (1195, 17020988), (2302, 8835830), (2390, 8510494), (3697, 5501780), (4604, 4417915), (4780, 4255247), (5755, 3534332), (7394, 2750890), (11510, 1767166), (14788, 1375445), (18485, 1100356), (23020, 883583), (36970, 550178), (73940, 275089)]