20738862

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5261}}^1$

素因数の和:5345

約数の個数: 32

約数和(自身を含む): 46726560

約数和(自身を除く): 25987698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5261, 10522, 15783, 31566, 47349, 94698, 142047, 284094, 384053, 768106, 1152159, 2304318, 3456477, 6912954, 10369431, 20738862]

約数ペア:

[(1, 20738862), (2, 10369431), (3, 6912954), (6, 3456477), (9, 2304318), (18, 1152159), (27, 768106), (54, 384053), (73, 284094), (146, 142047), (219, 94698), (438, 47349), (657, 31566), (1314, 15783), (1971, 10522), (3942, 5261)]