20616565527

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{40493}}^1$

素因数の和:40784

約数の個数: 32

約数和(自身を含む): 31002206400

約数和(自身を除く): 10385640873

約数列:

[1, 3, 9, 27, 109, 173, 327, 519, 981, 1557, 2943, 4671, 18857, 40493, 56571, 121479, 169713, 364437, 509139, 1093311, 4413737, 7005289, 13241211, 21015867, 39723633, 63047601, 119170899, 189142803, 763576501, 2290729503, 6872188509, 20616565527]

約数ペア:

[(1, 20616565527), (3, 6872188509), (9, 2290729503), (27, 763576501), (109, 189142803), (173, 119170899), (327, 63047601), (519, 39723633), (981, 21015867), (1557, 13241211), (2943, 7005289), (4671, 4413737), (18857, 1093311), (40493, 509139), (56571, 364437), (121479, 169713)]