20197780912

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11171339}}^1$

素因数の和:11171460

約数の個数: 20

約数和(自身を含む): 39479515560

約数和(自身を除く): 19281734648

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11171339, 22342678, 44685356, 89370712, 178741424, 1262361307, 2524722614, 5049445228, 10098890456, 20197780912]

約数ペア:

[(1, 20197780912), (2, 10098890456), (4, 5049445228), (8, 2524722614), (16, 1262361307), (113, 178741424), (226, 89370712), (452, 44685356), (904, 22342678), (1808, 11171339)]