20654488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62971}}^1$

素因数の和:63018

約数の個数: 16

約数和(自身を含む): 39672360

約数和(自身を除く): 19017872

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62971, 125942, 251884, 503768, 2581811, 5163622, 10327244, 20654488]

約数ペア:

[(1, 20654488), (2, 10327244), (4, 5163622), (8, 2581811), (41, 503768), (82, 251884), (164, 125942), (328, 62971)]