20629336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 28157864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 659, 728, 1118, 1204, 1318, 2236, 2408, 2636, 3913, 4472, 4613, 5272, 7826, 8567, 9226, 15652, 17134, 18452, 28337, 31304, 34268, 36904, 56674, 59969, 68536, 113348, 119938, 198359, 226696, 239876, 368381, 396718, 479752, 736762, 793436, 1473524, 1586872, 2578667, 2947048, 5157334, 10314668, 20629336]

約数ペア:

[(1, 20629336), (2, 10314668), (4, 5157334), (7, 2947048), (8, 2578667), (13, 1586872), (14, 1473524), (26, 793436), (28, 736762), (43, 479752), (52, 396718), (56, 368381), (86, 239876), (91, 226696), (104, 198359), (172, 119938), (182, 113348), (301, 68536), (344, 59969), (364, 56674), (559, 36904), (602, 34268), (659, 31304), (728, 28337), (1118, 18452), (1204, 17134), (1318, 15652), (2236, 9226), (2408, 8567), (2636, 7826), (3913, 5272), (4472, 4613)]