20531217

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{33713}}^1$

素因数の和:33752

約数の個数: 16

約数和(自身を含む): 32365440

約数和(自身を除く): 11834223

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 33713, 101139, 235991, 707973, 977677, 2933031, 6843739, 20531217]

約数ペア:

[(1, 20531217), (3, 6843739), (7, 2933031), (21, 977677), (29, 707973), (87, 235991), (203, 101139), (609, 33713)]