20686884

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7213}}^1$

素因数の和:7459

約数の個数: 24

約数和(自身を含む): 48478080

約数和(自身を除く): 27791196

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7213, 14426, 21639, 28852, 43278, 86556, 1723907, 3447814, 5171721, 6895628, 10343442, 20686884]

約数ペア:

[(1, 20686884), (2, 10343442), (3, 6895628), (4, 5171721), (6, 3447814), (12, 1723907), (239, 86556), (478, 43278), (717, 28852), (956, 21639), (1434, 14426), (2868, 7213)]