20175665403

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1\times {\mathrm{1423}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 27789189120

約数和(自身を除く): 7613523717

約数列:

[1, 3, 43, 129, 131, 393, 839, 1423, 2517, 4269, 5633, 16899, 36077, 61189, 108231, 109909, 183567, 186413, 329727, 559239, 1193897, 3581691, 4726087, 8015759, 14178261, 24047277, 51337571, 154012713, 156400507, 469201521, 6725221801, 20175665403]

約数ペア:

[(1, 20175665403), (3, 6725221801), (43, 469201521), (129, 156400507), (131, 154012713), (393, 51337571), (839, 24047277), (1423, 14178261), (2517, 8015759), (4269, 4726087), (5633, 3581691), (16899, 1193897), (36077, 559239), (61189, 329727), (108231, 186413), (109909, 183567)]