20217202390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{7129}}^1$

素因数の和:7310

約数の個数: 128

約数和(自身を含む): 47311257600

約数和(自身を除く): 27094055210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 127, 145, 154, 203, 254, 290, 319, 385, 406, 635, 638, 770, 889, 1015, 1270, 1397, 1595, 1778, 2030, 2233, 2794, 3190, 3683, 4445, 4466, 6985, 7129, 7366, 8890, 9779, 11165, 13970, 14258, 18415, 19558, 22330, 25781, 35645, 36830, 40513, 48895, 49903, 51562, 71290, 78419, 81026, 97790, 99806, 128905, 156838, 202565, 206741, 249515, 257810, 283591, 392095, 405130, 413482, 499030, 548933, 567182, 784190, 905383, 1033705, 1097866, 1417955, 1447187, 1810766, 2067410, 2274151, 2744665, 2835910, 2894374, 4526915, 4548302, 5489330, 6337681, 7235935, 9053830, 9959213, 11370755, 12675362, 14471870, 15919057, 19918426, 22741510, 26256107, 31688405, 31838114, 49796065, 52512214, 63376810, 69714491, 79595285, 99592130, 131280535, 139428982, 159190570, 183792749, 262561070, 288817177, 348572455, 367585498, 577634354, 697144910, 918963745, 1444085885, 1837927490, 2021720239, 2888171770, 4043440478, 10108601195, 20217202390]

約数ペア:

[(1, 20217202390), (2, 10108601195), (5, 4043440478), (7, 2888171770), (10, 2021720239), (11, 1837927490), (14, 1444085885), (22, 918963745), (29, 697144910), (35, 577634354), (55, 367585498), (58, 348572455), (70, 288817177), (77, 262561070), (110, 183792749), (127, 159190570), (145, 139428982), (154, 131280535), (203, 99592130), (254, 79595285), (290, 69714491), (319, 63376810), (385, 52512214), (406, 49796065), (635, 31838114), (638, 31688405), (770, 26256107), (889, 22741510), (1015, 19918426), (1270, 15919057), (1397, 14471870), (1595, 12675362), (1778, 11370755), (2030, 9959213), (2233, 9053830), (2794, 7235935), (3190, 6337681), (3683, 5489330), (4445, 4548302), (4466, 4526915), (6985, 2894374), (7129, 2835910), (7366, 2744665), (8890, 2274151), (9779, 2067410), (11165, 1810766), (13970, 1447187), (14258, 1417955), (18415, 1097866), (19558, 1033705), (22330, 905383), (25781, 784190), (35645, 567182), (36830, 548933), (40513, 499030), (48895, 413482), (49903, 405130), (51562, 392095), (71290, 283591), (78419, 257810), (81026, 249515), (97790, 206741), (99806, 202565), (128905, 156838)]