20835087205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{10303}}^1$

素因数の和:11005

約数の個数: 32

約数和(自身を含む): 27233224704

約数和(自身を除く): 6398137499

約数列:

[1, 5, 17, 37, 85, 185, 629, 643, 3145, 3215, 10303, 10931, 23791, 51515, 54655, 118955, 175151, 381211, 404447, 875755, 1906055, 2022235, 6480587, 6624829, 32402935, 33124145, 112622093, 245118673, 563110465, 1225593365, 4167017441, 20835087205]

約数ペア:

[(1, 20835087205), (5, 4167017441), (17, 1225593365), (37, 563110465), (85, 245118673), (185, 112622093), (629, 33124145), (643, 32402935), (3145, 6624829), (3215, 6480587), (10303, 2022235), (10931, 1906055), (23791, 875755), (51515, 404447), (54655, 381211), (118955, 175151)]