20831208

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{7963}}^1$

素因数の和:8081

約数の個数: 32

約数和(自身を含む): 52562400

約数和(自身を除く): 31731192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 218, 327, 436, 654, 872, 1308, 2616, 7963, 15926, 23889, 31852, 47778, 63704, 95556, 191112, 867967, 1735934, 2603901, 3471868, 5207802, 6943736, 10415604, 20831208]

約数ペア:

[(1, 20831208), (2, 10415604), (3, 6943736), (4, 5207802), (6, 3471868), (8, 2603901), (12, 1735934), (24, 867967), (109, 191112), (218, 95556), (327, 63704), (436, 47778), (654, 31852), (872, 23889), (1308, 15926), (2616, 7963)]