20293468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12589}}^1$

素因数の和:12637

約数の個数: 24

約数和(自身を含む): 39482240

約数和(自身を除く): 19188772

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12589, 25178, 50356, 163657, 327314, 390259, 654628, 780518, 1561036, 5073367, 10146734, 20293468]

約数ペア:

[(1, 20293468), (2, 10146734), (4, 5073367), (13, 1561036), (26, 780518), (31, 654628), (52, 390259), (62, 327314), (124, 163657), (403, 50356), (806, 25178), (1612, 12589)]