20100952879

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{2557}}^1$

素因数の和:3055

約数の個数: 32

約数和(自身を含む): 24211040256

約数和(自身を除く): 4110087377

約数列:

[1, 7, 23, 157, 161, 311, 1099, 2177, 2557, 3611, 7153, 17899, 25277, 48827, 50071, 58811, 341789, 401449, 411677, 795227, 1123021, 2810143, 5566589, 7861147, 9233327, 18290221, 64633289, 124850639, 128031547, 873954473, 2871564697, 20100952879]

約数ペア:

[(1, 20100952879), (7, 2871564697), (23, 873954473), (157, 128031547), (161, 124850639), (311, 64633289), (1099, 18290221), (2177, 9233327), (2557, 7861147), (3611, 5566589), (7153, 2810143), (17899, 1123021), (25277, 795227), (48827, 411677), (50071, 401449), (58811, 341789)]