20865110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{859}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 43096320

約数和(自身を除く): 22231210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 859, 1718, 1735, 2429, 3470, 4295, 4858, 6013, 8590, 12026, 12145, 24290, 30065, 60130, 298073, 596146, 1490365, 2086511, 2980730, 4173022, 10432555, 20865110]

約数ペア:

[(1, 20865110), (2, 10432555), (5, 4173022), (7, 2980730), (10, 2086511), (14, 1490365), (35, 596146), (70, 298073), (347, 60130), (694, 30065), (859, 24290), (1718, 12145), (1735, 12026), (2429, 8590), (3470, 6013), (4295, 4858)]