20503704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65717}}^1$

素因数の和:65739

約数の個数: 32

約数和(自身を含む): 55203120

約数和(自身を除く): 34699416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65717, 131434, 197151, 262868, 394302, 525736, 788604, 854321, 1577208, 1708642, 2562963, 3417284, 5125926, 6834568, 10251852, 20503704]

約数ペア:

[(1, 20503704), (2, 10251852), (3, 6834568), (4, 5125926), (6, 3417284), (8, 2562963), (12, 1708642), (13, 1577208), (24, 854321), (26, 788604), (39, 525736), (52, 394302), (78, 262868), (104, 197151), (156, 131434), (312, 65717)]