20500659

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 31248672

約数和(自身を除く): 10748013

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 1021, 2231, 3063, 6693, 9189, 20079, 23483, 70449, 99037, 211347, 297111, 891333, 2277851, 6833553, 20500659]

約数ペア:

[(1, 20500659), (3, 6833553), (9, 2277851), (23, 891333), (69, 297111), (97, 211347), (207, 99037), (291, 70449), (873, 23483), (1021, 20079), (2231, 9189), (3063, 6693)]