20306230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1103}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 41969664

約数和(自身を除く): 21663434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1103, 1315, 1841, 2206, 2630, 3682, 5515, 7721, 9205, 11030, 15442, 18410, 38605, 77210, 290089, 580178, 1450445, 2030623, 2900890, 4061246, 10153115, 20306230]

約数ペア:

[(1, 20306230), (2, 10153115), (5, 4061246), (7, 2900890), (10, 2030623), (14, 1450445), (35, 580178), (70, 290089), (263, 77210), (526, 38605), (1103, 18410), (1315, 15442), (1841, 11030), (2206, 9205), (2630, 7721), (3682, 5515)]