20008977401

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1\times {\mathrm{40639}}^1$

素因数の和:42584

約数の個数: 16

約数和(自身を含む): 23498373120

約数和(自身を除く): 3489395719

約数列:

[1, 7, 37, 259, 1901, 13307, 40639, 70337, 284473, 492359, 1503643, 10525501, 77254739, 540783173, 2858425343, 20008977401]

約数ペア:

[(1, 20008977401), (7, 2858425343), (37, 540783173), (259, 77254739), (1901, 10525501), (13307, 1503643), (40639, 492359), (70337, 284473)]