20145705062

素因数分解:

$2^1\times 7^3\times {\mathrm{1663}}^1\times {\mathrm{17659}}^1$

素因数の和:19345

約数の個数: 32

約数和(自身を含む): 35263488000

約数和(自身を除く): 15117782938

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 1663, 3326, 11641, 17659, 23282, 35318, 81487, 123613, 162974, 247226, 570409, 865291, 1140818, 1730582, 6057037, 12114074, 29366917, 58733834, 205568419, 411136838, 1438978933, 2877957866, 10072852531, 20145705062]

約数ペア:

[(1, 20145705062), (2, 10072852531), (7, 2877957866), (14, 1438978933), (49, 411136838), (98, 205568419), (343, 58733834), (686, 29366917), (1663, 12114074), (3326, 6057037), (11641, 1730582), (17659, 1140818), (23282, 865291), (35318, 570409), (81487, 247226), (123613, 162974)]