20781646227

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{109471}}^1$

素因数の和:109648

約数の個数: 32

約数和(自身を含む): 31527936000

約数和(自身を除く): 10746289773

約数列:

[1, 3, 9, 27, 79, 89, 237, 267, 711, 801, 2133, 2403, 7031, 21093, 63279, 109471, 189837, 328413, 985239, 2955717, 8648209, 9742919, 25944627, 29228757, 77833881, 87686271, 233501643, 263058813, 769690601, 2309071803, 6927215409, 20781646227]

約数ペア:

[(1, 20781646227), (3, 6927215409), (9, 2309071803), (27, 769690601), (79, 263058813), (89, 233501643), (237, 87686271), (267, 77833881), (711, 29228757), (801, 25944627), (2133, 9742919), (2403, 8648209), (7031, 2955717), (21093, 985239), (63279, 328413), (109471, 189837)]