20285213

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 22656816

約数和(自身を除く): 2371603

約数列:

[1, 13, 37, 181, 233, 481, 2353, 3029, 6697, 8621, 42173, 87061, 112073, 548249, 1560401, 20285213]

約数ペア:

[(1, 20285213), (13, 1560401), (37, 548249), (181, 112073), (233, 87061), (481, 42173), (2353, 8621), (3029, 6697)]