20457177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7829}}^1$

素因数の和:7912

約数の個数: 16

約数和(自身を含む): 29816640

約数和(自身を除く): 9359463

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7829, 23487, 101777, 305331, 524543, 1573629, 6819059, 20457177]

約数ペア:

[(1, 20457177), (3, 6819059), (13, 1573629), (39, 524543), (67, 305331), (201, 101777), (871, 23487), (2613, 7829)]