20145055012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{674831}}^1$

素因数の和:675291

約数の個数: 24

約数和(自身を含む): 37412686080

約数和(自身を除く): 17267631068

約数列:

[1, 2, 4, 17, 34, 68, 439, 878, 1756, 7463, 14926, 29852, 674831, 1349662, 2699324, 11472127, 22944254, 45888508, 296250809, 592501618, 1185003236, 5036263753, 10072527506, 20145055012]

約数ペア:

[(1, 20145055012), (2, 10072527506), (4, 5036263753), (17, 1185003236), (34, 592501618), (68, 296250809), (439, 45888508), (878, 22944254), (1756, 11472127), (7463, 2699324), (14926, 1349662), (29852, 674831)]