20130147

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 31564800

約数和(自身を除く): 11434653

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 547, 783, 1269, 1363, 1641, 4089, 4923, 12267, 14769, 15863, 25709, 36801, 47589, 77127, 142767, 231381, 428301, 694143, 745561, 2236683, 6710049, 20130147]

約数ペア:

[(1, 20130147), (3, 6710049), (9, 2236683), (27, 745561), (29, 694143), (47, 428301), (87, 231381), (141, 142767), (261, 77127), (423, 47589), (547, 36801), (783, 25709), (1269, 15863), (1363, 14769), (1641, 12267), (4089, 4923)]