20220265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4728

約数の個数: 16

約数和(自身を含む): 26526528

約数和(自身を除く): 6306263

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4643, 23215, 60359, 301795, 311081, 1555405, 4044053, 20220265]

約数ペア:

[(1, 20220265), (5, 4044053), (13, 1555405), (65, 311081), (67, 301795), (335, 60359), (871, 23215), (4355, 4643)]