20161121180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6184393}}^1$

素因数の和:6184565

約数の個数: 24

約数和(自身を含む): 42598105872

約数和(自身を除く): 22436984692

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6184393, 12368786, 24737572, 30921965, 61843930, 123687860, 1008056059, 2016112118, 4032224236, 5040280295, 10080560590, 20161121180]

約数ペア:

[(1, 20161121180), (2, 10080560590), (4, 5040280295), (5, 4032224236), (10, 2016112118), (20, 1008056059), (163, 123687860), (326, 61843930), (652, 30921965), (815, 24737572), (1630, 12368786), (3260, 6184393)]