20147489

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 21880320

約数和(自身を除く): 1732831

約数列:

[1, 29, 31, 73, 307, 899, 2117, 2263, 8903, 9517, 22411, 65627, 275993, 649919, 694741, 20147489]

約数ペア:

[(1, 20147489), (29, 694741), (31, 649919), (73, 275993), (307, 65627), (899, 22411), (2117, 9517), (2263, 8903)]