20548857

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4273}}^1$

素因数の和:4512

約数の個数: 16

約数和(自身を含む): 31456640

約数和(自身を除く): 10907783

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4273, 4809, 12819, 29911, 89733, 978517, 2935551, 6849619, 20548857]

約数ペア:

[(1, 20548857), (3, 6849619), (7, 2935551), (21, 978517), (229, 89733), (687, 29911), (1603, 12819), (4273, 4809)]