20010888

素因数分解:

$2^3\times 3^4\times {\mathrm{30881}}^1$

素因数の和:30899

約数の個数: 40

約数和(自身を含む): 56050830

約数和(自身を除く): 36039942

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30881, 61762, 92643, 123524, 185286, 247048, 277929, 370572, 555858, 741144, 833787, 1111716, 1667574, 2223432, 2501361, 3335148, 5002722, 6670296, 10005444, 20010888]

約数ペア:

[(1, 20010888), (2, 10005444), (3, 6670296), (4, 5002722), (6, 3335148), (8, 2501361), (9, 2223432), (12, 1667574), (18, 1111716), (24, 833787), (27, 741144), (36, 555858), (54, 370572), (72, 277929), (81, 247048), (108, 185286), (162, 123524), (216, 92643), (324, 61762), (648, 30881)]