20658232

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 26735048

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 56, 86, 92, 161, 172, 184, 301, 322, 344, 373, 602, 644, 746, 989, 1204, 1288, 1492, 1978, 2408, 2611, 2984, 3956, 5222, 6923, 7912, 8579, 10444, 13846, 16039, 17158, 20888, 27692, 32078, 34316, 55384, 60053, 64156, 68632, 112273, 120106, 128312, 224546, 240212, 368897, 449092, 480424, 737794, 898184, 1475588, 2582279, 2951176, 5164558, 10329116, 20658232]

約数ペア:

[(1, 20658232), (2, 10329116), (4, 5164558), (7, 2951176), (8, 2582279), (14, 1475588), (23, 898184), (28, 737794), (43, 480424), (46, 449092), (56, 368897), (86, 240212), (92, 224546), (161, 128312), (172, 120106), (184, 112273), (301, 68632), (322, 64156), (344, 60053), (373, 55384), (602, 34316), (644, 32078), (746, 27692), (989, 20888), (1204, 17158), (1288, 16039), (1492, 13846), (1978, 10444), (2408, 8579), (2611, 7912), (2984, 6923), (3956, 5222)]