20003590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25321}}^1$

素因数の和:25407

約数の個数: 16

約数和(自身を含む): 36463680

約数和(自身を除く): 16460090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25321, 50642, 126605, 253210, 2000359, 4000718, 10001795, 20003590]

約数ペア:

[(1, 20003590), (2, 10001795), (5, 4000718), (10, 2000359), (79, 253210), (158, 126605), (395, 50642), (790, 25321)]