20072990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 41610240

約数和(自身を除く): 21537250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2063, 4126, 4865, 9730, 10315, 14441, 20630, 28882, 72205, 144410, 286757, 573514, 1433785, 2007299, 2867570, 4014598, 10036495, 20072990]

約数ペア:

[(1, 20072990), (2, 10036495), (5, 4014598), (7, 2867570), (10, 2007299), (14, 1433785), (35, 573514), (70, 286757), (139, 144410), (278, 72205), (695, 28882), (973, 20630), (1390, 14441), (1946, 10315), (2063, 9730), (4126, 4865)]