20939488

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6353}}^1$

素因数の和:6466

約数の個数: 24

約数和(自身を含む): 41631408

約数和(自身を除く): 20691920

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6353, 12706, 25412, 50824, 101648, 203296, 654359, 1308718, 2617436, 5234872, 10469744, 20939488]

約数ペア:

[(1, 20939488), (2, 10469744), (4, 5234872), (8, 2617436), (16, 1308718), (32, 654359), (103, 203296), (206, 101648), (412, 50824), (824, 25412), (1648, 12706), (3296, 6353)]