20005690

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19423}}^1$

素因数の和:19533

約数の個数: 16

約数和(自身を含む): 36361728

約数和(自身を除く): 16356038

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19423, 38846, 97115, 194230, 2000569, 4001138, 10002845, 20005690]

約数ペア:

[(1, 20005690), (2, 10002845), (5, 4001138), (10, 2000569), (103, 194230), (206, 97115), (515, 38846), (1030, 19423)]