20458112

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{577}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 40974420

約数和(自身を除く): 20516308

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 577, 1108, 1154, 2216, 2308, 4432, 4616, 8864, 9232, 17728, 18464, 35456, 36928, 73856, 159829, 319658, 639316, 1278632, 2557264, 5114528, 10229056, 20458112]

約数ペア:

[(1, 20458112), (2, 10229056), (4, 5114528), (8, 2557264), (16, 1278632), (32, 639316), (64, 319658), (128, 159829), (277, 73856), (554, 36928), (577, 35456), (1108, 18464), (1154, 17728), (2216, 9232), (2308, 8864), (4432, 4616)]