20447008

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8753}}^1$

素因数の和:8836

約数の個数: 24

約数和(自身を含む): 40811148

約数和(自身を除く): 20364140

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8753, 17506, 35012, 70024, 140048, 280096, 638969, 1277938, 2555876, 5111752, 10223504, 20447008]

約数ペア:

[(1, 20447008), (2, 10223504), (4, 5111752), (8, 2555876), (16, 1277938), (32, 638969), (73, 280096), (146, 140048), (292, 70024), (584, 35012), (1168, 17506), (2336, 8753)]