20348601

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 35159040

約数和(自身を除く): 14810439

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3923, 5187, 11769, 27461, 50999, 74537, 82383, 152997, 223611, 356993, 521759, 968981, 1070979, 1565277, 2906943, 6782867, 20348601]

約数ペア:

[(1, 20348601), (3, 6782867), (7, 2906943), (13, 1565277), (19, 1070979), (21, 968981), (39, 521759), (57, 356993), (91, 223611), (133, 152997), (247, 82383), (273, 74537), (399, 50999), (741, 27461), (1729, 11769), (3923, 5187)]