20668030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3907}}^1$

素因数の和:3960

約数の個数: 24

約数和(自身を含む): 38900232

約数和(自身を除く): 18232202

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3907, 5290, 7814, 19535, 39070, 89861, 179722, 449305, 898610, 2066803, 4133606, 10334015, 20668030]

約数ペア:

[(1, 20668030), (2, 10334015), (5, 4133606), (10, 2066803), (23, 898610), (46, 449305), (115, 179722), (230, 89861), (529, 39070), (1058, 19535), (2645, 7814), (3907, 5290)]