20173745865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{15773}}^1$

素因数の和:16738

約数の個数: 64

約数和(自身を含む): 39771680256

約数和(自身を除く): 19597934391

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 937, 1365, 2811, 4685, 6559, 12181, 14055, 15773, 19677, 32795, 36543, 47319, 60905, 78865, 85267, 98385, 110411, 182715, 205049, 236595, 255801, 331233, 426335, 552055, 615147, 1025245, 1279005, 1435343, 1656165, 3075735, 4306029, 7176715, 14779301, 21530145, 44337903, 73896505, 103455107, 192130913, 221689515, 310365321, 517275535, 576392739, 960654565, 1344916391, 1551826605, 2881963695, 4034749173, 6724581955, 20173745865]

約数ペア:

[(1, 20173745865), (3, 6724581955), (5, 4034749173), (7, 2881963695), (13, 1551826605), (15, 1344916391), (21, 960654565), (35, 576392739), (39, 517275535), (65, 310365321), (91, 221689515), (105, 192130913), (195, 103455107), (273, 73896505), (455, 44337903), (937, 21530145), (1365, 14779301), (2811, 7176715), (4685, 4306029), (6559, 3075735), (12181, 1656165), (14055, 1435343), (15773, 1279005), (19677, 1025245), (32795, 615147), (36543, 552055), (47319, 426335), (60905, 331233), (78865, 255801), (85267, 236595), (98385, 205049), (110411, 182715)]