20562639

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 29958288

約数和(自身を除く): 9395649

約数列:

[1, 3, 17, 37, 51, 111, 289, 629, 641, 867, 1887, 1923, 10693, 10897, 23717, 32079, 32691, 71151, 185249, 403189, 555747, 1209567, 6854213, 20562639]

約数ペア:

[(1, 20562639), (3, 6854213), (17, 1209567), (37, 555747), (51, 403189), (111, 185249), (289, 71151), (629, 32691), (641, 32079), (867, 23717), (1887, 10897), (1923, 10693)]