20813850096

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{90887}}^1$

素因数の和:91278

約数の個数: 80

約数和(自身を含む): 58063617024

約数和(自身を除く): 37249766928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 367, 624, 734, 1101, 1468, 2202, 2936, 4404, 4771, 5872, 8808, 9542, 14313, 17616, 19084, 28626, 38168, 57252, 76336, 90887, 114504, 181774, 229008, 272661, 363548, 545322, 727096, 1090644, 1181531, 1454192, 2181288, 2363062, 3544593, 4362576, 4726124, 7089186, 9452248, 14178372, 18904496, 28356744, 33355529, 56713488, 66711058, 100066587, 133422116, 200133174, 266844232, 400266348, 433621877, 533688464, 800532696, 867243754, 1300865631, 1601065392, 1734487508, 2601731262, 3468975016, 5203462524, 6937950032, 10406925048, 20813850096]

約数ペア:

[(1, 20813850096), (2, 10406925048), (3, 6937950032), (4, 5203462524), (6, 3468975016), (8, 2601731262), (12, 1734487508), (13, 1601065392), (16, 1300865631), (24, 867243754), (26, 800532696), (39, 533688464), (48, 433621877), (52, 400266348), (78, 266844232), (104, 200133174), (156, 133422116), (208, 100066587), (312, 66711058), (367, 56713488), (624, 33355529), (734, 28356744), (1101, 18904496), (1468, 14178372), (2202, 9452248), (2936, 7089186), (4404, 4726124), (4771, 4362576), (5872, 3544593), (8808, 2363062), (9542, 2181288), (14313, 1454192), (17616, 1181531), (19084, 1090644), (28626, 727096), (38168, 545322), (57252, 363548), (76336, 272661), (90887, 229008), (114504, 181774)]