20121708444

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{197947}}^1$

素因数の和:198194

約数の個数: 48

約数和(自身を含む): 48286643328

約数和(自身を除く): 28164934884

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 197, 258, 394, 516, 591, 788, 1182, 2364, 8471, 16942, 25413, 33884, 50826, 101652, 197947, 395894, 593841, 791788, 1187682, 2375364, 8511721, 17023442, 25535163, 34046884, 38995559, 51070326, 77991118, 102140652, 116986677, 155982236, 233973354, 467946708, 1676809037, 3353618074, 5030427111, 6707236148, 10060854222, 20121708444]

約数ペア:

[(1, 20121708444), (2, 10060854222), (3, 6707236148), (4, 5030427111), (6, 3353618074), (12, 1676809037), (43, 467946708), (86, 233973354), (129, 155982236), (172, 116986677), (197, 102140652), (258, 77991118), (394, 51070326), (516, 38995559), (591, 34046884), (788, 25535163), (1182, 17023442), (2364, 8511721), (8471, 2375364), (16942, 1187682), (25413, 791788), (33884, 593841), (50826, 395894), (101652, 197947)]