20782241277

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{15901}}^1$

素因数の和:16458

約数の個数: 48

約数和(自身を含む): 34197187392

約数和(自身を除く): 13414946115

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 523, 833, 1569, 2499, 3661, 8891, 10983, 15901, 25627, 26673, 47703, 62237, 76881, 111307, 186711, 270317, 333921, 435659, 779149, 810951, 1306977, 1892219, 2337447, 5676657, 8316223, 13245533, 24948669, 39736599, 58213561, 141375791, 174640683, 407494927, 424127373, 989630537, 1222484781, 2968891611, 6927413759, 20782241277]

約数ペア:

[(1, 20782241277), (3, 6927413759), (7, 2968891611), (17, 1222484781), (21, 989630537), (49, 424127373), (51, 407494927), (119, 174640683), (147, 141375791), (357, 58213561), (523, 39736599), (833, 24948669), (1569, 13245533), (2499, 8316223), (3661, 5676657), (8891, 2337447), (10983, 1892219), (15901, 1306977), (25627, 810951), (26673, 779149), (47703, 435659), (62237, 333921), (76881, 270317), (111307, 186711)]