20963361

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7548639

約数列:

[1, 3, 79, 197, 237, 449, 591, 1347, 15563, 35471, 46689, 88453, 106413, 265359, 6987787, 20963361]

約数ペア:

[(1, 20963361), (3, 6987787), (79, 265359), (197, 106413), (237, 88453), (449, 46689), (591, 35471), (1347, 15563)]