20169296

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1783}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 45128064

約数和(自身を除く): 24958768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 1783, 2828, 3566, 5656, 7132, 11312, 12481, 14264, 24962, 28528, 49924, 99848, 180083, 199696, 360166, 720332, 1260581, 1440664, 2521162, 2881328, 5042324, 10084648, 20169296]

約数ペア:

[(1, 20169296), (2, 10084648), (4, 5042324), (7, 2881328), (8, 2521162), (14, 1440664), (16, 1260581), (28, 720332), (56, 360166), (101, 199696), (112, 180083), (202, 99848), (404, 49924), (707, 28528), (808, 24962), (1414, 14264), (1616, 12481), (1783, 11312), (2828, 7132), (3566, 5656)]