20776293

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 10523547

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 659, 1017, 1977, 3503, 5931, 10509, 20429, 31527, 61287, 74467, 183861, 223401, 670203, 2308477, 6925431, 20776293]

約数ペア:

[(1, 20776293), (3, 6925431), (9, 2308477), (31, 670203), (93, 223401), (113, 183861), (279, 74467), (339, 61287), (659, 31527), (1017, 20429), (1977, 10509), (3503, 5931)]