20120863791

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56360963}}^1$

素因数の和:56360990

約数の個数: 16

約数和(自身を含む): 32463915264

約数和(自身を除く): 12343051473

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56360963, 169082889, 394526741, 958136371, 1183580223, 2874409113, 6706954597, 20120863791]

約数ペア:

[(1, 20120863791), (3, 6706954597), (7, 2874409113), (17, 1183580223), (21, 958136371), (51, 394526741), (119, 169082889), (357, 56360963)]