20552490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 48187350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 30, 34, 35, 38, 42, 45, 51, 57, 63, 70, 85, 90, 95, 101, 102, 105, 114, 119, 126, 133, 153, 170, 171, 190, 202, 210, 238, 255, 266, 285, 303, 306, 315, 323, 342, 357, 399, 505, 510, 570, 595, 606, 630, 646, 665, 707, 714, 765, 798, 855, 909, 969, 1010, 1071, 1190, 1197, 1330, 1414, 1515, 1530, 1615, 1710, 1717, 1785, 1818, 1919, 1938, 1995, 2121, 2142, 2261, 2394, 2907, 3030, 3230, 3434, 3535, 3570, 3838, 3990, 4242, 4522, 4545, 4845, 5151, 5355, 5757, 5814, 5985, 6363, 6783, 7070, 8585, 9090, 9595, 9690, 10302, 10605, 10710, 11305, 11514, 11970, 12019, 12726, 13433, 13566, 14535, 15453, 17170, 17271, 19190, 20349, 21210, 22610, 24038, 25755, 26866, 28785, 29070, 30906, 31815, 32623, 33915, 34542, 36057, 40299, 40698, 51510, 57570, 60095, 63630, 65246, 67165, 67830, 72114, 77265, 80598, 86355, 97869, 101745, 108171, 120190, 120897, 134330, 154530, 163115, 172710, 180285, 195738, 201495, 203490, 216342, 228361, 241794, 293607, 326230, 360570, 402990, 456722, 489345, 540855, 587214, 604485, 685083, 978690, 1081710, 1141805, 1208970, 1370166, 1468035, 2055249, 2283610, 2936070, 3425415, 4110498, 6850830, 10276245, 20552490]

約数ペア:

[(1, 20552490), (2, 10276245), (3, 6850830), (5, 4110498), (6, 3425415), (7, 2936070), (9, 2283610), (10, 2055249), (14, 1468035), (15, 1370166), (17, 1208970), (18, 1141805), (19, 1081710), (21, 978690), (30, 685083), (34, 604485), (35, 587214), (38, 540855), (42, 489345), (45, 456722), (51, 402990), (57, 360570), (63, 326230), (70, 293607), (85, 241794), (90, 228361), (95, 216342), (101, 203490), (102, 201495), (105, 195738), (114, 180285), (119, 172710), (126, 163115), (133, 154530), (153, 134330), (170, 120897), (171, 120190), (190, 108171), (202, 101745), (210, 97869), (238, 86355), (255, 80598), (266, 77265), (285, 72114), (303, 67830), (306, 67165), (315, 65246), (323, 63630), (342, 60095), (357, 57570), (399, 51510), (505, 40698), (510, 40299), (570, 36057), (595, 34542), (606, 33915), (630, 32623), (646, 31815), (665, 30906), (707, 29070), (714, 28785), (765, 26866), (798, 25755), (855, 24038), (909, 22610), (969, 21210), (1010, 20349), (1071, 19190), (1190, 17271), (1197, 17170), (1330, 15453), (1414, 14535), (1515, 13566), (1530, 13433), (1615, 12726), (1710, 12019), (1717, 11970), (1785, 11514), (1818, 11305), (1919, 10710), (1938, 10605), (1995, 10302), (2121, 9690), (2142, 9595), (2261, 9090), (2394, 8585), (2907, 7070), (3030, 6783), (3230, 6363), (3434, 5985), (3535, 5814), (3570, 5757), (3838, 5355), (3990, 5151), (4242, 4845), (4522, 4545)]