20047916

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1117}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 40194336

約数和(自身を除く): 20146420

約数列:

[1, 2, 4, 7, 14, 28, 641, 1117, 1282, 2234, 2564, 4468, 4487, 7819, 8974, 15638, 17948, 31276, 715997, 1431994, 2863988, 5011979, 10023958, 20047916]

約数ペア:

[(1, 20047916), (2, 10023958), (4, 5011979), (7, 2863988), (14, 1431994), (28, 715997), (641, 31276), (1117, 17948), (1282, 15638), (2234, 8974), (2564, 7819), (4468, 4487)]