220813538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{5021}}^1$

素因数の和:7033

約数の個数: 16

約数和(自身を含む): 361584000

約数和(自身を除く): 140770462

約数列:

[1, 2, 11, 22, 1999, 3998, 5021, 10042, 21989, 43978, 55231, 110462, 10036979, 20073958, 110406769, 220813538]

約数ペア:

[(1, 220813538), (2, 110406769), (11, 20073958), (22, 10036979), (1999, 110462), (3998, 55231), (5021, 43978), (10042, 21989)]