20574272

素因数分解:

$2^6\times {\mathrm{563}}^1\times {\mathrm{571}}^1$

素因数の和:1146

約数の個数: 28

約数和(自身を含む): 40971216

約数和(自身を除く): 20396944

約数列:

[1, 2, 4, 8, 16, 32, 64, 563, 571, 1126, 1142, 2252, 2284, 4504, 4568, 9008, 9136, 18016, 18272, 36032, 36544, 321473, 642946, 1285892, 2571784, 5143568, 10287136, 20574272]

約数ペア:

[(1, 20574272), (2, 10287136), (4, 5143568), (8, 2571784), (16, 1285892), (32, 642946), (64, 321473), (563, 36544), (571, 36032), (1126, 18272), (1142, 18016), (2252, 9136), (2284, 9008), (4504, 4568)]