20784826816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24981763}}^1$

素因数の和:24981788

約数の個数: 28

約数和(自身を含む): 44417576392

約数和(自身を除く): 23632749576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24981763, 49963526, 99927052, 199854104, 324762919, 399708208, 649525838, 799416416, 1299051676, 1598832832, 2598103352, 5196206704, 10392413408, 20784826816]

約数ペア:

[(1, 20784826816), (2, 10392413408), (4, 5196206704), (8, 2598103352), (13, 1598832832), (16, 1299051676), (26, 799416416), (32, 649525838), (52, 399708208), (64, 324762919), (104, 199854104), (208, 99927052), (416, 49963526), (832, 24981763)]