20161392988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1142677}}^1$

素因数の和:1143093

約数の個数: 24

約数和(自身を含む): 38585950704

約数和(自身を除く): 18424557716

約数列:

[1, 2, 4, 11, 22, 44, 401, 802, 1604, 4411, 8822, 17644, 1142677, 2285354, 4570708, 12569447, 25138894, 50277788, 458213477, 916426954, 1832853908, 5040348247, 10080696494, 20161392988]

約数ペア:

[(1, 20161392988), (2, 10080696494), (4, 5040348247), (11, 1832853908), (22, 916426954), (44, 458213477), (401, 50277788), (802, 25138894), (1604, 12569447), (4411, 4570708), (8822, 2285354), (17644, 1142677)]