20195770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1097}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 41741568

約数和(自身を除く): 21545798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1097, 1315, 1841, 2194, 2630, 3682, 5485, 7679, 9205, 10970, 15358, 18410, 38395, 76790, 288511, 577022, 1442555, 2019577, 2885110, 4039154, 10097885, 20195770]

約数ペア:

[(1, 20195770), (2, 10097885), (5, 4039154), (7, 2885110), (10, 2019577), (14, 1442555), (35, 577022), (70, 288511), (263, 76790), (526, 38395), (1097, 18410), (1315, 15358), (1841, 10970), (2194, 9205), (2630, 7679), (3682, 5485)]