20233353

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 32495616

約数和(自身を除く): 12262263

約数列:

[1, 3, 7, 21, 23, 69, 161, 163, 257, 483, 489, 771, 1141, 1799, 3423, 3749, 5397, 5911, 11247, 17733, 26243, 41377, 41891, 78729, 124131, 125673, 293237, 879711, 963493, 2890479, 6744451, 20233353]

約数ペア:

[(1, 20233353), (3, 6744451), (7, 2890479), (21, 963493), (23, 879711), (69, 293237), (161, 125673), (163, 124131), (257, 78729), (483, 41891), (489, 41377), (771, 26243), (1141, 17733), (1799, 11247), (3423, 5911), (3749, 5397)]