20803827

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4231}}^1$

素因数の和:4394

約数の個数: 16

約数和(自身を含む): 30470400

約数和(自身を除く): 9666573

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4231, 4917, 12693, 46541, 139623, 630419, 1891257, 6934609, 20803827]

約数ペア:

[(1, 20803827), (3, 6934609), (11, 1891257), (33, 630419), (149, 139623), (447, 46541), (1639, 12693), (4231, 4917)]