20950872436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9901}}^1\times {\mathrm{40693}}^1$

素因数の和:50611

約数の個数: 24

約数和(自身を含む): 39489294824

約数和(自身を除く): 18538422388

約数列:

[1, 2, 4, 13, 26, 52, 9901, 19802, 39604, 40693, 81386, 128713, 162772, 257426, 514852, 529009, 1058018, 2116036, 402901393, 805802786, 1611605572, 5237718109, 10475436218, 20950872436]

約数ペア:

[(1, 20950872436), (2, 10475436218), (4, 5237718109), (13, 1611605572), (26, 805802786), (52, 402901393), (9901, 2116036), (19802, 1058018), (39604, 529009), (40693, 514852), (81386, 257426), (128713, 162772)]