20172966385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 30114643968

約数和(自身を除く): 9941677583

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 127, 143, 169, 253, 299, 635, 715, 743, 845, 1265, 1397, 1495, 1651, 1859, 2921, 3289, 3715, 3887, 6985, 8173, 8255, 9295, 9659, 14605, 16445, 17089, 18161, 19435, 21463, 32131, 37973, 40865, 42757, 48295, 85445, 90805, 94361, 106249, 107315, 125567, 160655, 187979, 189865, 213785, 222157, 236093, 417703, 471805, 493649, 531245, 627835, 939895, 1037971, 1110785, 1180465, 1226693, 1381237, 2088515, 2170303, 2443727, 2468245, 2888041, 5189855, 5430139, 6133465, 6906185, 10851515, 12218635, 13493623, 14440205, 15947009, 23873333, 27150695, 28213939, 31768451, 67468115, 79735045, 119366665, 141069695, 158842255, 175417099, 310353329, 366781207, 877085495, 1551766645, 1833906035, 4034593277, 20172966385]

約数ペア:

[(1, 20172966385), (5, 4034593277), (11, 1833906035), (13, 1551766645), (23, 877085495), (55, 366781207), (65, 310353329), (115, 175417099), (127, 158842255), (143, 141069695), (169, 119366665), (253, 79735045), (299, 67468115), (635, 31768451), (715, 28213939), (743, 27150695), (845, 23873333), (1265, 15947009), (1397, 14440205), (1495, 13493623), (1651, 12218635), (1859, 10851515), (2921, 6906185), (3289, 6133465), (3715, 5430139), (3887, 5189855), (6985, 2888041), (8173, 2468245), (8255, 2443727), (9295, 2170303), (9659, 2088515), (14605, 1381237), (16445, 1226693), (17089, 1180465), (18161, 1110785), (19435, 1037971), (21463, 939895), (32131, 627835), (37973, 531245), (40865, 493649), (42757, 471805), (48295, 417703), (85445, 236093), (90805, 222157), (94361, 213785), (106249, 189865), (107315, 187979), (125567, 160655)]