20201139

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11057}}^1$

素因数の和:11099

約数の個数: 24

約数和(自身を含む): 34500960

約数和(自身を除く): 14299821

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11057, 33171, 77399, 99513, 232197, 320653, 696591, 961959, 2244571, 2885877, 6733713, 20201139]

約数ペア:

[(1, 20201139), (3, 6733713), (7, 2885877), (9, 2244571), (21, 961959), (29, 696591), (63, 320653), (87, 232197), (203, 99513), (261, 77399), (609, 33171), (1827, 11057)]