20780190717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{71549}}^1$

素因数の和:72253

約数の個数: 32

約数和(自身を含む): 32599324800

約数和(自身を除く): 11819134083

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 677, 2031, 7447, 8801, 22341, 26403, 71549, 96811, 214647, 290433, 787039, 930137, 2361117, 2790411, 10231507, 30694521, 48438673, 145316019, 532825403, 629702749, 1598476209, 1889108247, 6926730239, 20780190717]

約数ペア:

[(1, 20780190717), (3, 6926730239), (11, 1889108247), (13, 1598476209), (33, 629702749), (39, 532825403), (143, 145316019), (429, 48438673), (677, 30694521), (2031, 10231507), (7447, 2790411), (8801, 2361117), (22341, 930137), (26403, 787039), (71549, 290433), (96811, 214647)]