20560071

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^2$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 33124480

約数和(自身を除く): 12564409

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 399, 681, 1589, 4313, 4767, 12939, 30191, 51529, 90573, 154587, 360703, 979051, 1082109, 2937153, 6853357, 20560071]

約数ペア:

[(1, 20560071), (3, 6853357), (7, 2937153), (19, 1082109), (21, 979051), (57, 360703), (133, 154587), (227, 90573), (399, 51529), (681, 30191), (1589, 12939), (4313, 4767)]