20771433

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 31941000

約数和(自身を除く): 11169567

約数列:

[1, 3, 9, 17, 51, 153, 349, 389, 1047, 1167, 3141, 3501, 5933, 6613, 17799, 19839, 53397, 59517, 135761, 407283, 1221849, 2307937, 6923811, 20771433]

約数ペア:

[(1, 20771433), (3, 6923811), (9, 2307937), (17, 1221849), (51, 407283), (153, 135761), (349, 59517), (389, 53397), (1047, 19839), (1167, 17799), (3141, 6613), (3501, 5933)]