20438283

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 28866816

約数和(自身を除く): 8428533

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4421, 4623, 13263, 101683, 296207, 305049, 888621, 6812761, 20438283]

約数ペア:

[(1, 20438283), (3, 6812761), (23, 888621), (67, 305049), (69, 296207), (201, 101683), (1541, 13263), (4421, 4623)]