20512671164

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{863}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 38529146880

約数和(自身を除く): 18016475716

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 239, 478, 529, 863, 956, 1058, 1081, 1726, 2116, 2162, 3452, 4324, 5497, 10994, 11233, 19849, 21988, 22466, 24863, 39698, 40561, 44932, 49726, 79396, 81122, 99452, 126431, 162244, 206257, 252862, 258359, 412514, 456527, 505724, 516718, 825028, 913054, 932903, 1033436, 1826108, 1865806, 3731612, 4743911, 5942257, 9487822, 9694079, 11884514, 18975644, 19388158, 21456769, 23769028, 38776316, 42913538, 85827076, 109109953, 218219906, 222963817, 436439812, 445927634, 891855268, 5128167791, 10256335582, 20512671164]

約数ペア:

[(1, 20512671164), (2, 10256335582), (4, 5128167791), (23, 891855268), (46, 445927634), (47, 436439812), (92, 222963817), (94, 218219906), (188, 109109953), (239, 85827076), (478, 42913538), (529, 38776316), (863, 23769028), (956, 21456769), (1058, 19388158), (1081, 18975644), (1726, 11884514), (2116, 9694079), (2162, 9487822), (3452, 5942257), (4324, 4743911), (5497, 3731612), (10994, 1865806), (11233, 1826108), (19849, 1033436), (21988, 932903), (22466, 913054), (24863, 825028), (39698, 516718), (40561, 505724), (44932, 456527), (49726, 412514), (79396, 258359), (81122, 252862), (99452, 206257), (126431, 162244)]