220123856

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{193771}}^1$

素因数の和:193850

約数の個数: 20

約数和(自身を含む): 432499104

約数和(自身を除く): 212375248

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 193771, 387542, 775084, 1550168, 3100336, 13757741, 27515482, 55030964, 110061928, 220123856]

約数ペア:

[(1, 220123856), (2, 110061928), (4, 55030964), (8, 27515482), (16, 13757741), (71, 3100336), (142, 1550168), (284, 775084), (568, 387542), (1136, 193771)]