20724909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4483}}^1$

素因数の和:4576

約数の個数: 16

約数和(自身を含む): 29271552

約数和(自身を除く): 8546643

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4483, 4623, 13449, 103109, 300361, 309327, 901083, 6908303, 20724909]

約数ペア:

[(1, 20724909), (3, 6908303), (23, 901083), (67, 309327), (69, 300361), (201, 103109), (1541, 13449), (4483, 4623)]