20768128

素因数分解:

$2^7\times {\mathrm{162251}}^1$

素因数の和:162265

約数の個数: 16

約数和(自身を含む): 41374260

約数和(自身を除く): 20606132

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 162251, 324502, 649004, 1298008, 2596016, 5192032, 10384064, 20768128]

約数ペア:

[(1, 20768128), (2, 10384064), (4, 5192032), (8, 2596016), (16, 1298008), (32, 649004), (64, 324502), (128, 162251)]