20402550

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 68567040

約数和(自身を除く): 48164490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 27, 30, 34, 35, 42, 45, 50, 51, 54, 63, 70, 75, 85, 90, 102, 105, 119, 126, 127, 135, 150, 153, 170, 175, 189, 210, 225, 238, 254, 255, 270, 306, 315, 350, 357, 378, 381, 425, 450, 459, 510, 525, 595, 630, 635, 675, 714, 762, 765, 850, 889, 918, 945, 1050, 1071, 1143, 1190, 1270, 1275, 1350, 1530, 1575, 1778, 1785, 1890, 1905, 2142, 2159, 2286, 2295, 2550, 2667, 2975, 3150, 3175, 3213, 3429, 3570, 3810, 3825, 4318, 4445, 4590, 4725, 5334, 5355, 5715, 5950, 6350, 6426, 6477, 6858, 7650, 8001, 8890, 8925, 9450, 9525, 10710, 10795, 11430, 11475, 12954, 13335, 15113, 16002, 16065, 17145, 17850, 19050, 19431, 21590, 22225, 22950, 24003, 26670, 26775, 28575, 30226, 32130, 32385, 34290, 38862, 40005, 44450, 45339, 48006, 53550, 53975, 57150, 58293, 64770, 66675, 75565, 80010, 80325, 85725, 90678, 97155, 107950, 116586, 120015, 133350, 136017, 151130, 160650, 161925, 171450, 194310, 200025, 226695, 240030, 272034, 291465, 323850, 377825, 400050, 408051, 453390, 485775, 582930, 600075, 680085, 755650, 816102, 971550, 1133475, 1200150, 1360170, 1457325, 2040255, 2266950, 2914650, 3400425, 4080510, 6800850, 10201275, 20402550]

約数ペア:

[(1, 20402550), (2, 10201275), (3, 6800850), (5, 4080510), (6, 3400425), (7, 2914650), (9, 2266950), (10, 2040255), (14, 1457325), (15, 1360170), (17, 1200150), (18, 1133475), (21, 971550), (25, 816102), (27, 755650), (30, 680085), (34, 600075), (35, 582930), (42, 485775), (45, 453390), (50, 408051), (51, 400050), (54, 377825), (63, 323850), (70, 291465), (75, 272034), (85, 240030), (90, 226695), (102, 200025), (105, 194310), (119, 171450), (126, 161925), (127, 160650), (135, 151130), (150, 136017), (153, 133350), (170, 120015), (175, 116586), (189, 107950), (210, 97155), (225, 90678), (238, 85725), (254, 80325), (255, 80010), (270, 75565), (306, 66675), (315, 64770), (350, 58293), (357, 57150), (378, 53975), (381, 53550), (425, 48006), (450, 45339), (459, 44450), (510, 40005), (525, 38862), (595, 34290), (630, 32385), (635, 32130), (675, 30226), (714, 28575), (762, 26775), (765, 26670), (850, 24003), (889, 22950), (918, 22225), (945, 21590), (1050, 19431), (1071, 19050), (1143, 17850), (1190, 17145), (1270, 16065), (1275, 16002), (1350, 15113), (1530, 13335), (1575, 12954), (1778, 11475), (1785, 11430), (1890, 10795), (1905, 10710), (2142, 9525), (2159, 9450), (2286, 8925), (2295, 8890), (2550, 8001), (2667, 7650), (2975, 6858), (3150, 6477), (3175, 6426), (3213, 6350), (3429, 5950), (3570, 5715), (3810, 5355), (3825, 5334), (4318, 4725), (4445, 4590)]