20789704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15377}}^1$

素因数の和:15409

約数の個数: 24

約数和(自身を含む): 42212610

約数和(自身を除く): 21422906

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15377, 30754, 61508, 123016, 199901, 399802, 799604, 1599208, 2598713, 5197426, 10394852, 20789704]

約数ペア:

[(1, 20789704), (2, 10394852), (4, 5197426), (8, 2598713), (13, 1599208), (26, 799604), (52, 399802), (104, 199901), (169, 123016), (338, 61508), (676, 30754), (1352, 15377)]