20838993

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4703}}^1$

素因数の和:4924

約数の個数: 16

約数和(自身を含む): 31911936

約数和(自身を除く): 11072943

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4703, 14109, 32921, 98763, 992333, 2976999, 6946331, 20838993]

約数ペア:

[(1, 20838993), (3, 6946331), (7, 2976999), (21, 992333), (211, 98763), (633, 32921), (1477, 14109), (4431, 4703)]