20100404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3623}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 37544640

約数和(自身を除く): 17444236

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3623, 5548, 7246, 14492, 68837, 137674, 264479, 275348, 528958, 1057916, 5025101, 10050202, 20100404]

約数ペア:

[(1, 20100404), (2, 10050202), (4, 5025101), (19, 1057916), (38, 528958), (73, 275348), (76, 264479), (146, 137674), (292, 68837), (1387, 14492), (2774, 7246), (3623, 5548)]