20681796609

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40315393}}^1$

素因数の和:40315421

約数の個数: 16

約数和(自身を含む): 32252315200

約数和(自身を除く): 11570518591

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40315393, 120946179, 362838537, 765992467, 1088515611, 2297977401, 6893932203, 20681796609]

約数ペア:

[(1, 20681796609), (3, 6893932203), (9, 2297977401), (19, 1088515611), (27, 765992467), (57, 362838537), (171, 120946179), (513, 40315393)]