20465212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{5101}}^1$

素因数の和:5181

約数の個数: 24

約数和(自身を含む): 38571120

約数和(自身を除く): 18105908

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 5101, 10202, 20404, 86717, 173434, 300959, 346868, 601918, 1203836, 5116303, 10232606, 20465212]

約数ペア:

[(1, 20465212), (2, 10232606), (4, 5116303), (17, 1203836), (34, 601918), (59, 346868), (68, 300959), (118, 173434), (236, 86717), (1003, 20404), (2006, 10202), (4012, 5101)]