20204418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{601}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 43690752

約数和(自身を除く): 23486334

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 601, 862, 1202, 1293, 1803, 2586, 3606, 5603, 7813, 11206, 15626, 16809, 23439, 33618, 46878, 259031, 518062, 777093, 1554186, 3367403, 6734806, 10102209, 20204418]

約数ペア:

[(1, 20204418), (2, 10102209), (3, 6734806), (6, 3367403), (13, 1554186), (26, 777093), (39, 518062), (78, 259031), (431, 46878), (601, 33618), (862, 23439), (1202, 16809), (1293, 15626), (1803, 11206), (2586, 7813), (3606, 5603)]