20355851

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2453749

約数列:

[1, 17, 23, 79, 391, 659, 1343, 1817, 11203, 15157, 30889, 52061, 257669, 885037, 1197403, 20355851]

約数ペア:

[(1, 20355851), (17, 1197403), (23, 885037), (79, 257669), (391, 52061), (659, 30889), (1343, 15157), (1817, 11203)]