20317206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 50577408

約数和(自身を除く): 30260202

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 293, 381, 546, 586, 762, 879, 889, 1651, 1758, 1778, 2051, 2667, 3302, 3809, 4102, 4953, 5334, 6153, 7618, 9906, 11427, 11557, 12306, 22854, 23114, 26663, 34671, 37211, 53326, 69342, 74422, 79989, 111633, 159978, 223266, 260477, 483743, 520954, 781431, 967486, 1451229, 1562862, 2902458, 3386201, 6772402, 10158603, 20317206]

約数ペア:

[(1, 20317206), (2, 10158603), (3, 6772402), (6, 3386201), (7, 2902458), (13, 1562862), (14, 1451229), (21, 967486), (26, 781431), (39, 520954), (42, 483743), (78, 260477), (91, 223266), (127, 159978), (182, 111633), (254, 79989), (273, 74422), (293, 69342), (381, 53326), (546, 37211), (586, 34671), (762, 26663), (879, 23114), (889, 22854), (1651, 12306), (1758, 11557), (1778, 11427), (2051, 9906), (2667, 7618), (3302, 6153), (3809, 5334), (4102, 4953)]