20583752

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25864888

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 71, 124, 142, 167, 217, 248, 284, 334, 434, 497, 568, 668, 868, 994, 1169, 1336, 1736, 1988, 2201, 2338, 3976, 4402, 4676, 5177, 8804, 9352, 10354, 11857, 15407, 17608, 20708, 23714, 30814, 36239, 41416, 47428, 61628, 72478, 82999, 94856, 123256, 144956, 165998, 289912, 331996, 367567, 663992, 735134, 1470268, 2572969, 2940536, 5145938, 10291876, 20583752]

約数ペア:

[(1, 20583752), (2, 10291876), (4, 5145938), (7, 2940536), (8, 2572969), (14, 1470268), (28, 735134), (31, 663992), (56, 367567), (62, 331996), (71, 289912), (124, 165998), (142, 144956), (167, 123256), (217, 94856), (248, 82999), (284, 72478), (334, 61628), (434, 47428), (497, 41416), (568, 36239), (668, 30814), (868, 23714), (994, 20708), (1169, 17608), (1336, 15407), (1736, 11857), (1988, 10354), (2201, 9352), (2338, 8804), (3976, 5177), (4402, 4676)]