20218288

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54941}}^1$

素因数の和:54972

約数の個数: 20

約数和(自身を含む): 40876848

約数和(自身を除く): 20658560

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54941, 109882, 219764, 439528, 879056, 1263643, 2527286, 5054572, 10109144, 20218288]

約数ペア:

[(1, 20218288), (2, 10109144), (4, 5054572), (8, 2527286), (16, 1263643), (23, 879056), (46, 439528), (92, 219764), (184, 109882), (368, 54941)]