20690892

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{24989}}^1$

素因数の和:25022

約数の個数: 36

約数和(自身を含む): 54578160

約数和(自身を除く): 33887268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 24989, 49978, 74967, 99956, 149934, 224901, 299868, 449802, 574747, 899604, 1149494, 1724241, 2298988, 3448482, 5172723, 6896964, 10345446, 20690892]

約数ペア:

[(1, 20690892), (2, 10345446), (3, 6896964), (4, 5172723), (6, 3448482), (9, 2298988), (12, 1724241), (18, 1149494), (23, 899604), (36, 574747), (46, 449802), (69, 299868), (92, 224901), (138, 149934), (207, 99956), (276, 74967), (414, 49978), (828, 24989)]