20264049

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 33639424

約数和(自身を除く): 13375375

約数列:

[1, 3, 9, 13, 31, 37, 39, 93, 111, 117, 151, 279, 333, 403, 453, 481, 1147, 1209, 1359, 1443, 1963, 3441, 3627, 4329, 4681, 5587, 5889, 10323, 14043, 14911, 16761, 17667, 42129, 44733, 50283, 60853, 72631, 134199, 173197, 182559, 217893, 519591, 547677, 653679, 1558773, 2251561, 6754683, 20264049]

約数ペア:

[(1, 20264049), (3, 6754683), (9, 2251561), (13, 1558773), (31, 653679), (37, 547677), (39, 519591), (93, 217893), (111, 182559), (117, 173197), (151, 134199), (279, 72631), (333, 60853), (403, 50283), (453, 44733), (481, 42129), (1147, 17667), (1209, 16761), (1359, 14911), (1443, 14043), (1963, 10323), (3441, 5889), (3627, 5587), (4329, 4681)]