20306338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1709}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 32893560

約数和(自身を除く): 12587222

約数列:

[1, 2, 13, 26, 457, 914, 1709, 3418, 5941, 11882, 22217, 44434, 781013, 1562026, 10153169, 20306338]

約数ペア:

[(1, 20306338), (2, 10153169), (13, 1562026), (26, 781013), (457, 44434), (914, 22217), (1709, 11882), (3418, 5941)]