20527766

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 17885674

約数列:

[1, 2, 7, 14, 29, 31, 49, 58, 62, 98, 203, 217, 233, 406, 434, 466, 899, 1421, 1519, 1631, 1798, 2842, 3038, 3262, 6293, 6757, 7223, 11417, 12586, 13514, 14446, 22834, 44051, 47299, 50561, 88102, 94598, 101122, 209467, 331093, 353927, 418934, 662186, 707854, 1466269, 2932538, 10263883, 20527766]

約数ペア:

[(1, 20527766), (2, 10263883), (7, 2932538), (14, 1466269), (29, 707854), (31, 662186), (49, 418934), (58, 353927), (62, 331093), (98, 209467), (203, 101122), (217, 94598), (233, 88102), (406, 50561), (434, 47299), (466, 44051), (899, 22834), (1421, 14446), (1519, 13514), (1631, 12586), (1798, 11417), (2842, 7223), (3038, 6757), (3262, 6293)]