20535164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3623}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 39066720

約数和(自身を除く): 18531556

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3623, 5668, 7246, 14492, 47099, 94198, 188396, 394907, 789814, 1579628, 5133791, 10267582, 20535164]

約数ペア:

[(1, 20535164), (2, 10267582), (4, 5133791), (13, 1579628), (26, 789814), (52, 394907), (109, 188396), (218, 94198), (436, 47099), (1417, 14492), (2834, 7246), (3623, 5668)]