20300956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 39198600

約数和(自身を除く): 18897644

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 338, 509, 676, 767, 1018, 1534, 2036, 3068, 6617, 9971, 13234, 19942, 26468, 30031, 39884, 60062, 86021, 120124, 172042, 344084, 390403, 780806, 1561612, 5075239, 10150478, 20300956]

約数ペア:

[(1, 20300956), (2, 10150478), (4, 5075239), (13, 1561612), (26, 780806), (52, 390403), (59, 344084), (118, 172042), (169, 120124), (236, 86021), (338, 60062), (509, 39884), (676, 30031), (767, 26468), (1018, 19942), (1534, 13234), (2036, 9971), (3068, 6617)]