20741652

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13399}}^1$

素因数の和:13452

約数の個数: 36

約数和(自身を含む): 53653600

約数和(自身を除く): 32911948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13399, 26798, 40197, 53596, 80394, 120591, 160788, 241182, 482364, 576157, 1152314, 1728471, 2304628, 3456942, 5185413, 6913884, 10370826, 20741652]

約数ペア:

[(1, 20741652), (2, 10370826), (3, 6913884), (4, 5185413), (6, 3456942), (9, 2304628), (12, 1728471), (18, 1152314), (36, 576157), (43, 482364), (86, 241182), (129, 160788), (172, 120591), (258, 80394), (387, 53596), (516, 40197), (774, 26798), (1548, 13399)]