20502208

素因数分解:

$2^6\times {\mathrm{563}}^1\times {\mathrm{569}}^1$

素因数の和:1144

約数の個数: 28

約数和(自身を含む): 40827960

約数和(自身を除く): 20325752

約数列:

[1, 2, 4, 8, 16, 32, 64, 563, 569, 1126, 1138, 2252, 2276, 4504, 4552, 9008, 9104, 18016, 18208, 36032, 36416, 320347, 640694, 1281388, 2562776, 5125552, 10251104, 20502208]

約数ペア:

[(1, 20502208), (2, 10251104), (4, 5125552), (8, 2562776), (16, 1281388), (32, 640694), (64, 320347), (563, 36416), (569, 36032), (1126, 18208), (1138, 18016), (2252, 9104), (2276, 9008), (4504, 4552)]