20842503

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{751}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 31439616

約数和(自身を除く): 10597113

約数列:

[1, 3, 11, 29, 33, 87, 319, 751, 841, 957, 2253, 2523, 8261, 9251, 21779, 24783, 27753, 65337, 239569, 631591, 718707, 1894773, 6947501, 20842503]

約数ペア:

[(1, 20842503), (3, 6947501), (11, 1894773), (29, 718707), (33, 631591), (87, 239569), (319, 65337), (751, 27753), (841, 24783), (957, 21779), (2253, 9251), (2523, 8261)]