20104142793

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{186871}}^1$

素因数の和:187037

約数の個数: 32

約数和(自身を含む): 31573893120

約数和(自身を除く): 11469750327

約数列:

[1, 3, 7, 21, 47, 109, 141, 327, 329, 763, 987, 2289, 5123, 15369, 35861, 107583, 186871, 560613, 1308097, 3924291, 8782937, 20368939, 26348811, 61106817, 61480559, 142582573, 184441677, 427747719, 957340133, 2872020399, 6701380931, 20104142793]

約数ペア:

[(1, 20104142793), (3, 6701380931), (7, 2872020399), (21, 957340133), (47, 427747719), (109, 184441677), (141, 142582573), (327, 61480559), (329, 61106817), (763, 26348811), (987, 20368939), (2289, 8782937), (5123, 3924291), (15369, 1308097), (35861, 560613), (107583, 186871)]