20180343

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8419}}^1$

素因数の和:8486

約数の個数: 16

約数和(自身を含む): 29099520

約数和(自身を除く): 8919177

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8419, 25257, 143123, 395693, 429369, 1187079, 6726781, 20180343]

約数ペア:

[(1, 20180343), (3, 6726781), (17, 1187079), (47, 429369), (51, 395693), (141, 143123), (799, 25257), (2397, 8419)]