20398458

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{9631}}^1$

素因数の和:9989

約数の個数: 16

約数和(自身を含む): 40916736

約数和(自身を除く): 20518278

約数列:

[1, 2, 3, 6, 353, 706, 1059, 2118, 9631, 19262, 28893, 57786, 3399743, 6799486, 10199229, 20398458]

約数ペア:

[(1, 20398458), (2, 10199229), (3, 6799486), (6, 3399743), (353, 57786), (706, 28893), (1059, 19262), (2118, 9631)]