20397584

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4073}}^1$

素因数の和:4394

約数の個数: 20

約数和(自身を含む): 39656316

約数和(自身を除く): 19258732

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4073, 5008, 8146, 16292, 32584, 65168, 1274849, 2549698, 5099396, 10198792, 20397584]

約数ペア:

[(1, 20397584), (2, 10198792), (4, 5099396), (8, 2549698), (16, 1274849), (313, 65168), (626, 32584), (1252, 16292), (2504, 8146), (4073, 5008)]