20658914

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{1021}}^1$

素因数の和:1241

約数の個数: 16

約数和(自身を含む): 31690176

約数和(自身を除く): 11031262

約数列:

[1, 2, 67, 134, 151, 302, 1021, 2042, 10117, 20234, 68407, 136814, 154171, 308342, 10329457, 20658914]

約数ペア:

[(1, 20658914), (2, 10329457), (67, 308342), (134, 154171), (151, 136814), (302, 68407), (1021, 20234), (2042, 10117)]