20889633

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 28496192

約数和(自身を除く): 7606559

約数列:

[1, 3, 61, 183, 211, 541, 633, 1623, 12871, 33001, 38613, 99003, 114151, 342453, 6963211, 20889633]

約数ペア:

[(1, 20889633), (3, 6963211), (61, 342453), (183, 114151), (211, 99003), (541, 38613), (633, 33001), (1623, 12871)]