20512726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21323}}^1$

素因数の和:21375

約数の個数: 16

約数和(自身を含む): 34033104

約数和(自身を除く): 13520378

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21323, 42646, 277199, 554398, 788951, 1577902, 10256363, 20512726]

約数ペア:

[(1, 20512726), (2, 10256363), (13, 1577902), (26, 788951), (37, 554398), (74, 277199), (481, 42646), (962, 21323)]