20857588713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1607

約数の個数: 96

約数和(自身を含む): 35498736000

約数和(自身を除く): 14641147287

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 251, 261, 377, 551, 741, 753, 1131, 1289, 1653, 2223, 2259, 3263, 3393, 3867, 4769, 4959, 7163, 7279, 9789, 11601, 14307, 16757, 21489, 21837, 24491, 29367, 37381, 42921, 50271, 61997, 64467, 65511, 73473, 94627, 112143, 138301, 150813, 185991, 220419, 283881, 318383, 323539, 336429, 414903, 485953, 557973, 710239, 851643, 955149, 970617, 1244709, 1457859, 1797913, 2130717, 2865447, 2911851, 4206007, 4373577, 5393739, 6147241, 6392151, 9233107, 9382631, 12618021, 16181217, 18441723, 27699321, 28147893, 37854063, 55325169, 79914133, 83097963, 84443679, 121974203, 178269989, 239742399, 365922609, 534809967, 719227197, 1097767827, 1604429901, 2317509857, 6952529571, 20857588713]

約数ペア:

[(1, 20857588713), (3, 6952529571), (9, 2317509857), (13, 1604429901), (19, 1097767827), (29, 719227197), (39, 534809967), (57, 365922609), (87, 239742399), (117, 178269989), (171, 121974203), (247, 84443679), (251, 83097963), (261, 79914133), (377, 55325169), (551, 37854063), (741, 28147893), (753, 27699321), (1131, 18441723), (1289, 16181217), (1653, 12618021), (2223, 9382631), (2259, 9233107), (3263, 6392151), (3393, 6147241), (3867, 5393739), (4769, 4373577), (4959, 4206007), (7163, 2911851), (7279, 2865447), (9789, 2130717), (11601, 1797913), (14307, 1457859), (16757, 1244709), (21489, 970617), (21837, 955149), (24491, 851643), (29367, 710239), (37381, 557973), (42921, 485953), (50271, 414903), (61997, 336429), (64467, 323539), (65511, 318383), (73473, 283881), (94627, 220419), (112143, 185991), (138301, 150813)]