20794070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8219}}^1$

素因数の和:8260

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21818410

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8219, 16438, 41095, 82190, 90409, 180818, 189037, 378074, 452045, 904090, 945185, 1890370, 2079407, 4158814, 10397035, 20794070]

約数ペア:

[(1, 20794070), (2, 10397035), (5, 4158814), (10, 2079407), (11, 1890370), (22, 945185), (23, 904090), (46, 452045), (55, 378074), (110, 189037), (115, 180818), (230, 90409), (253, 82190), (506, 41095), (1265, 16438), (2530, 8219)]