20172176

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15959}}^1$

素因数の和:16046

約数の個数: 20

約数和(自身を含む): 39580800

約数和(自身を除く): 19408624

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15959, 31918, 63836, 127672, 255344, 1260761, 2521522, 5043044, 10086088, 20172176]

約数ペア:

[(1, 20172176), (2, 10086088), (4, 5043044), (8, 2521522), (16, 1260761), (79, 255344), (158, 127672), (316, 63836), (632, 31918), (1264, 15959)]