20764017

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 32597760

約数和(自身を除く): 11833743

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3917, 5301, 11751, 35253, 74423, 121427, 223269, 364281, 669807, 1092843, 2307113, 6921339, 20764017]

約数ペア:

[(1, 20764017), (3, 6921339), (9, 2307113), (19, 1092843), (31, 669807), (57, 364281), (93, 223269), (171, 121427), (279, 74423), (589, 35253), (1767, 11751), (3917, 5301)]