20209878

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{28789}}^1$

素因数の和:28813

約数の個数: 32

約数和(自身を含む): 48367200

約数和(自身を除く): 28157322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 28789, 57578, 86367, 172734, 259101, 374257, 518202, 748514, 777303, 1122771, 1554606, 2245542, 3368313, 6736626, 10104939, 20209878]

約数ペア:

[(1, 20209878), (2, 10104939), (3, 6736626), (6, 3368313), (9, 2245542), (13, 1554606), (18, 1122771), (26, 777303), (27, 748514), (39, 518202), (54, 374257), (78, 259101), (117, 172734), (234, 86367), (351, 57578), (702, 28789)]