20630754

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5381}}^1$

素因数の和:5463

約数の個数: 32

約数和(自身を含む): 46500480

約数和(自身を除く): 25869726

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5381, 10762, 16143, 32286, 48429, 96858, 145287, 290574, 382051, 764102, 1146153, 2292306, 3438459, 6876918, 10315377, 20630754]

約数ペア:

[(1, 20630754), (2, 10315377), (3, 6876918), (6, 3438459), (9, 2292306), (18, 1146153), (27, 764102), (54, 382051), (71, 290574), (142, 145287), (213, 96858), (426, 48429), (639, 32286), (1278, 16143), (1917, 10762), (3834, 5381)]