20565381018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{296579}}^1$

素因数の和:296731

約数の個数: 64

約数和(自身を含む): 51021250560

約数和(自身を除く): 30455869542

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 381, 546, 762, 889, 1651, 1778, 2667, 3302, 4953, 5334, 9906, 11557, 23114, 34671, 69342, 296579, 593158, 889737, 1779474, 2076053, 3855527, 4152106, 6228159, 7711054, 11566581, 12456318, 23133162, 26988689, 37665533, 53977378, 75331066, 80966067, 112996599, 161932134, 225993198, 263658731, 489651929, 527317462, 790976193, 979303858, 1468955787, 1581952386, 2937911574, 3427563503, 6855127006, 10282690509, 20565381018]

約数ペア:

[(1, 20565381018), (2, 10282690509), (3, 6855127006), (6, 3427563503), (7, 2937911574), (13, 1581952386), (14, 1468955787), (21, 979303858), (26, 790976193), (39, 527317462), (42, 489651929), (78, 263658731), (91, 225993198), (127, 161932134), (182, 112996599), (254, 80966067), (273, 75331066), (381, 53977378), (546, 37665533), (762, 26988689), (889, 23133162), (1651, 12456318), (1778, 11566581), (2667, 7711054), (3302, 6228159), (4953, 4152106), (5334, 3855527), (9906, 2076053), (11557, 1779474), (23114, 889737), (34671, 593158), (69342, 296579)]