20088900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 72510984

約数和(自身を除く): 52422084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 30, 34, 36, 39, 45, 50, 51, 52, 60, 65, 68, 75, 78, 85, 90, 100, 101, 102, 117, 130, 150, 153, 156, 170, 180, 195, 202, 204, 221, 225, 234, 255, 260, 300, 303, 306, 325, 340, 390, 404, 425, 442, 450, 468, 505, 510, 585, 606, 612, 650, 663, 765, 780, 850, 884, 900, 909, 975, 1010, 1020, 1105, 1170, 1212, 1275, 1300, 1313, 1326, 1515, 1530, 1700, 1717, 1818, 1950, 1989, 2020, 2210, 2340, 2525, 2550, 2626, 2652, 2925, 3030, 3060, 3315, 3434, 3636, 3825, 3900, 3939, 3978, 4420, 4545, 5050, 5100, 5151, 5252, 5525, 5850, 6060, 6565, 6630, 6868, 7575, 7650, 7878, 7956, 8585, 9090, 9945, 10100, 10302, 11050, 11700, 11817, 13130, 13260, 15150, 15300, 15453, 15756, 16575, 17170, 18180, 19695, 19890, 20604, 22100, 22321, 22725, 23634, 25755, 26260, 30300, 30906, 32825, 33150, 34340, 39390, 39780, 42925, 44642, 45450, 47268, 49725, 51510, 59085, 61812, 65650, 66300, 66963, 77265, 78780, 85850, 89284, 90900, 98475, 99450, 103020, 111605, 118170, 128775, 131300, 133926, 154530, 171700, 196950, 198900, 200889, 223210, 236340, 257550, 267852, 295425, 309060, 334815, 386325, 393900, 401778, 446420, 515100, 558025, 590850, 669630, 772650, 803556, 1004445, 1116050, 1181700, 1339260, 1545300, 1674075, 2008890, 2232100, 3348150, 4017780, 5022225, 6696300, 10044450, 20088900]

約数ペア:

[(1, 20088900), (2, 10044450), (3, 6696300), (4, 5022225), (5, 4017780), (6, 3348150), (9, 2232100), (10, 2008890), (12, 1674075), (13, 1545300), (15, 1339260), (17, 1181700), (18, 1116050), (20, 1004445), (25, 803556), (26, 772650), (30, 669630), (34, 590850), (36, 558025), (39, 515100), (45, 446420), (50, 401778), (51, 393900), (52, 386325), (60, 334815), (65, 309060), (68, 295425), (75, 267852), (78, 257550), (85, 236340), (90, 223210), (100, 200889), (101, 198900), (102, 196950), (117, 171700), (130, 154530), (150, 133926), (153, 131300), (156, 128775), (170, 118170), (180, 111605), (195, 103020), (202, 99450), (204, 98475), (221, 90900), (225, 89284), (234, 85850), (255, 78780), (260, 77265), (300, 66963), (303, 66300), (306, 65650), (325, 61812), (340, 59085), (390, 51510), (404, 49725), (425, 47268), (442, 45450), (450, 44642), (468, 42925), (505, 39780), (510, 39390), (585, 34340), (606, 33150), (612, 32825), (650, 30906), (663, 30300), (765, 26260), (780, 25755), (850, 23634), (884, 22725), (900, 22321), (909, 22100), (975, 20604), (1010, 19890), (1020, 19695), (1105, 18180), (1170, 17170), (1212, 16575), (1275, 15756), (1300, 15453), (1313, 15300), (1326, 15150), (1515, 13260), (1530, 13130), (1700, 11817), (1717, 11700), (1818, 11050), (1950, 10302), (1989, 10100), (2020, 9945), (2210, 9090), (2340, 8585), (2525, 7956), (2550, 7878), (2626, 7650), (2652, 7575), (2925, 6868), (3030, 6630), (3060, 6565), (3315, 6060), (3434, 5850), (3636, 5525), (3825, 5252), (3900, 5151), (3939, 5100), (3978, 5050), (4420, 4545)]