20351583

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 33777536

約数和(自身を除く): 13425953

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1531, 1899, 4431, 4593, 10717, 13293, 13779, 32151, 96453, 323041, 969123, 2261287, 2907369, 6783861, 20351583]

約数ペア:

[(1, 20351583), (3, 6783861), (7, 2907369), (9, 2261287), (21, 969123), (63, 323041), (211, 96453), (633, 32151), (1477, 13779), (1531, 13293), (1899, 10717), (4431, 4593)]