20256170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 40170816

約数和(自身を除く): 19914646

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1721, 2354, 3442, 5885, 8605, 11770, 17210, 18931, 37862, 94655, 184147, 189310, 368294, 920735, 1841470, 2025617, 4051234, 10128085, 20256170]

約数ペア:

[(1, 20256170), (2, 10128085), (5, 4051234), (10, 2025617), (11, 1841470), (22, 920735), (55, 368294), (107, 189310), (110, 184147), (214, 94655), (535, 37862), (1070, 18931), (1177, 17210), (1721, 11770), (2354, 8605), (3442, 5885)]