20498957

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 2414323

約数列:

[1, 17, 23, 103, 391, 509, 1751, 2369, 8653, 11707, 40273, 52427, 199019, 891259, 1205821, 20498957]

約数ペア:

[(1, 20498957), (17, 1205821), (23, 891259), (103, 199019), (391, 52427), (509, 40273), (1751, 11707), (2369, 8653)]