20255367145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{23531}}^1$

素因数の和:23626

約数の個数: 64

約数和(自身を含む): 29887522560

約数和(自身を除く): 9632155415

約数列:

[1, 5, 13, 17, 19, 41, 65, 85, 95, 205, 221, 247, 323, 533, 697, 779, 1105, 1235, 1615, 2665, 3485, 3895, 4199, 9061, 10127, 13243, 20995, 23531, 45305, 50635, 66215, 117655, 172159, 305903, 400027, 447089, 860795, 964771, 1529515, 2000135, 2235445, 4823855, 5200351, 5812157, 7600513, 12542023, 16401107, 18330649, 26001755, 29060785, 38002565, 62710115, 82005535, 91653245, 98806669, 213214391, 238298437, 311621033, 494033345, 1066071955, 1191492185, 1558105165, 4051073429, 20255367145]

約数ペア:

[(1, 20255367145), (5, 4051073429), (13, 1558105165), (17, 1191492185), (19, 1066071955), (41, 494033345), (65, 311621033), (85, 238298437), (95, 213214391), (205, 98806669), (221, 91653245), (247, 82005535), (323, 62710115), (533, 38002565), (697, 29060785), (779, 26001755), (1105, 18330649), (1235, 16401107), (1615, 12542023), (2665, 7600513), (3485, 5812157), (3895, 5200351), (4199, 4823855), (9061, 2235445), (10127, 2000135), (13243, 1529515), (20995, 964771), (23531, 860795), (45305, 447089), (50635, 400027), (66215, 305903), (117655, 172159)]