20798348

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 38220000

約数和(自身を除く): 17421652

約数列:

[1, 2, 4, 23, 46, 92, 181, 362, 724, 1249, 2498, 4163, 4996, 8326, 16652, 28727, 57454, 114908, 226069, 452138, 904276, 5199587, 10399174, 20798348]

約数ペア:

[(1, 20798348), (2, 10399174), (4, 5199587), (23, 904276), (46, 452138), (92, 226069), (181, 114908), (362, 57454), (724, 28727), (1249, 16652), (2498, 8326), (4163, 4996)]