20196177776

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{55697}}^1$

素因数の和:56009

約数の個数: 40

約数和(自身を含む): 39657421584

約数和(自身を除く): 19461243808

約数列:

[1, 2, 4, 8, 16, 131, 173, 262, 346, 524, 692, 1048, 1384, 2096, 2768, 22663, 45326, 55697, 90652, 111394, 181304, 222788, 362608, 445576, 891152, 7296307, 9635581, 14592614, 19271162, 29185228, 38542324, 58370456, 77084648, 116740912, 154169296, 1262261111, 2524522222, 5049044444, 10098088888, 20196177776]

約数ペア:

[(1, 20196177776), (2, 10098088888), (4, 5049044444), (8, 2524522222), (16, 1262261111), (131, 154169296), (173, 116740912), (262, 77084648), (346, 58370456), (524, 38542324), (692, 29185228), (1048, 19271162), (1384, 14592614), (2096, 9635581), (2768, 7296307), (22663, 891152), (45326, 445576), (55697, 362608), (90652, 222788), (111394, 181304)]