20123064728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{5639}}^1\times {\mathrm{34313}}^1$

素因数の和:39971

約数の個数: 32

約数和(自身を含む): 40641501600

約数和(自身を除く): 20518436872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 5639, 11278, 22556, 34313, 45112, 68626, 73307, 137252, 146614, 274504, 293228, 446069, 586456, 892138, 1784276, 3568552, 193491007, 386982014, 773964028, 1547928056, 2515383091, 5030766182, 10061532364, 20123064728]

約数ペア:

[(1, 20123064728), (2, 10061532364), (4, 5030766182), (8, 2515383091), (13, 1547928056), (26, 773964028), (52, 386982014), (104, 193491007), (5639, 3568552), (11278, 1784276), (22556, 892138), (34313, 586456), (45112, 446069), (68626, 293228), (73307, 274504), (137252, 146614)]