20058890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25391}}^1$

素因数の和:25477

約数の個数: 16

約数和(自身を含む): 36564480

約数和(自身を除く): 16505590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25391, 50782, 126955, 253910, 2005889, 4011778, 10029445, 20058890]

約数ペア:

[(1, 20058890), (2, 10029445), (5, 4011778), (10, 2005889), (79, 253910), (158, 126955), (395, 50782), (790, 25391)]