20095491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 10773501

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 521, 559, 897, 989, 1563, 1677, 2967, 6773, 11983, 12857, 20319, 22403, 35949, 38571, 67209, 155779, 291239, 467337, 515269, 873717, 1545807, 6698497, 20095491]

約数ペア:

[(1, 20095491), (3, 6698497), (13, 1545807), (23, 873717), (39, 515269), (43, 467337), (69, 291239), (129, 155779), (299, 67209), (521, 38571), (559, 35949), (897, 22403), (989, 20319), (1563, 12857), (1677, 11983), (2967, 6773)]