20770830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25643}}^1$

素因数の和:25662

約数の個数: 40

約数和(自身を含む): 55852632

約数和(自身を除く): 35081802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25643, 51286, 76929, 128215, 153858, 230787, 256430, 384645, 461574, 692361, 769290, 1153935, 1384722, 2077083, 2307870, 3461805, 4154166, 6923610, 10385415, 20770830]

約数ペア:

[(1, 20770830), (2, 10385415), (3, 6923610), (5, 4154166), (6, 3461805), (9, 2307870), (10, 2077083), (15, 1384722), (18, 1153935), (27, 769290), (30, 692361), (45, 461574), (54, 384645), (81, 256430), (90, 230787), (135, 153858), (162, 128215), (270, 76929), (405, 51286), (810, 25643)]