20184854170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{439853}}^1$

素因数の和:440226

約数の個数: 32

約数和(自身を含む): 39238495632

約数和(自身を除く): 19053641462

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 706, 1765, 3530, 4589, 9178, 22945, 45890, 439853, 879706, 2199265, 4398530, 5718089, 11436178, 28590445, 57180890, 155268109, 310536218, 776340545, 1552681090, 2018485417, 4036970834, 10092427085, 20184854170]

約数ペア:

[(1, 20184854170), (2, 10092427085), (5, 4036970834), (10, 2018485417), (13, 1552681090), (26, 776340545), (65, 310536218), (130, 155268109), (353, 57180890), (706, 28590445), (1765, 11436178), (3530, 5718089), (4589, 4398530), (9178, 2199265), (22945, 879706), (45890, 439853)]