20171416

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9811}}^1$

素因数の和:10074

約数の個数: 16

約数和(自身を含む): 37972440

約数和(自身を除く): 17801024

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9811, 19622, 39244, 78488, 2521427, 5042854, 10085708, 20171416]

約数ペア:

[(1, 20171416), (2, 10085708), (4, 5042854), (8, 2521427), (257, 78488), (514, 39244), (1028, 19622), (2056, 9811)]