20215382870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87892969}}^1$

素因数の和:87892999

約数の個数: 16

約数和(自身を含む): 37969763040

約数和(自身を除く): 17754380170

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87892969, 175785938, 439464845, 878929690, 2021538287, 4043076574, 10107691435, 20215382870]

約数ペア:

[(1, 20215382870), (2, 10107691435), (5, 4043076574), (10, 2021538287), (23, 878929690), (46, 439464845), (115, 175785938), (230, 87892969)]