2020303957

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 2410956800

約数和(自身を除く): 390652843

約数列:

[1, 7, 49, 61, 223, 343, 427, 433, 1561, 2989, 3031, 10927, 13603, 20923, 21217, 26413, 76489, 95221, 96559, 148519, 184891, 666547, 675913, 1294237, 4665829, 4731391, 5890099, 9059659, 33119737, 41230693, 288614851, 2020303957]

約数ペア:

[(1, 2020303957), (7, 288614851), (49, 41230693), (61, 33119737), (223, 9059659), (343, 5890099), (427, 4731391), (433, 4665829), (1561, 1294237), (2989, 675913), (3031, 666547), (10927, 184891), (13603, 148519), (20923, 96559), (21217, 95221), (26413, 76489)]