20291755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2693}}^1$

素因数の和:2846

約数の個数: 16

約数和(自身を含む): 26767584

約数和(自身を除く): 6475829

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2693, 7535, 13465, 29623, 148115, 368941, 1844705, 4058351, 20291755]

約数ペア:

[(1, 20291755), (5, 4058351), (11, 1844705), (55, 368941), (137, 148115), (685, 29623), (1507, 13465), (2693, 7535)]