20388628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10597}}^1$

素因数の和:10651

約数の個数: 24

約数和(自身を含む): 39466952

約数和(自身を除く): 19078324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10597, 21194, 42388, 137761, 275522, 392089, 551044, 784178, 1568356, 5097157, 10194314, 20388628]

約数ペア:

[(1, 20388628), (2, 10194314), (4, 5097157), (13, 1568356), (26, 784178), (37, 551044), (52, 392089), (74, 275522), (148, 137761), (481, 42388), (962, 21194), (1924, 10597)]