20201474715

素因数分解:

$3^1\times 5^1\times {\mathrm{26881}}^1\times {\mathrm{50101}}^1$

素因数の和:76990

約数の個数: 16

約数和(自身を含む): 32324207136

約数和(自身を除く): 12122732421

約数列:

[1, 3, 5, 15, 26881, 50101, 80643, 134405, 150303, 250505, 403215, 751515, 1346764981, 4040294943, 6733824905, 20201474715]

約数ペア:

[(1, 20201474715), (3, 6733824905), (5, 4040294943), (15, 1346764981), (26881, 751515), (50101, 403215), (80643, 250505), (134405, 150303)]