20448450

素因数分解:

$2^1\times 3^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 192

約数和(自身を含む): 65888640

約数和(自身を除く): 45440190

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 27, 30, 33, 34, 45, 50, 51, 54, 55, 66, 75, 81, 85, 90, 99, 102, 110, 135, 150, 153, 162, 165, 170, 187, 198, 225, 243, 255, 270, 275, 297, 306, 330, 374, 405, 425, 450, 459, 486, 495, 510, 550, 561, 594, 675, 729, 765, 810, 825, 850, 891, 918, 935, 990, 1122, 1215, 1275, 1350, 1377, 1458, 1485, 1530, 1650, 1683, 1782, 1870, 2025, 2187, 2295, 2430, 2475, 2550, 2673, 2754, 2805, 2970, 3366, 3645, 3825, 4050, 4131, 4374, 4455, 4590, 4675, 4950, 5049, 5346, 5610, 6075, 6885, 7290, 7425, 7650, 8019, 8262, 8415, 8910, 9350, 10098, 10935, 11475, 12150, 12393, 13365, 13770, 14025, 14850, 15147, 16038, 16830, 18225, 20655, 21870, 22275, 22950, 24057, 24786, 25245, 26730, 28050, 30294, 34425, 36450, 37179, 40095, 41310, 42075, 44550, 45441, 48114, 50490, 54675, 61965, 66825, 68850, 74358, 75735, 80190, 84150, 90882, 103275, 109350, 120285, 123930, 126225, 133650, 136323, 151470, 185895, 200475, 206550, 227205, 240570, 252450, 272646, 309825, 371790, 378675, 400950, 408969, 454410, 601425, 619650, 681615, 757350, 817938, 929475, 1136025, 1202850, 1363230, 1858950, 2044845, 2272050, 3408075, 4089690, 6816150, 10224225, 20448450]

約数ペア:

[(1, 20448450), (2, 10224225), (3, 6816150), (5, 4089690), (6, 3408075), (9, 2272050), (10, 2044845), (11, 1858950), (15, 1363230), (17, 1202850), (18, 1136025), (22, 929475), (25, 817938), (27, 757350), (30, 681615), (33, 619650), (34, 601425), (45, 454410), (50, 408969), (51, 400950), (54, 378675), (55, 371790), (66, 309825), (75, 272646), (81, 252450), (85, 240570), (90, 227205), (99, 206550), (102, 200475), (110, 185895), (135, 151470), (150, 136323), (153, 133650), (162, 126225), (165, 123930), (170, 120285), (187, 109350), (198, 103275), (225, 90882), (243, 84150), (255, 80190), (270, 75735), (275, 74358), (297, 68850), (306, 66825), (330, 61965), (374, 54675), (405, 50490), (425, 48114), (450, 45441), (459, 44550), (486, 42075), (495, 41310), (510, 40095), (550, 37179), (561, 36450), (594, 34425), (675, 30294), (729, 28050), (765, 26730), (810, 25245), (825, 24786), (850, 24057), (891, 22950), (918, 22275), (935, 21870), (990, 20655), (1122, 18225), (1215, 16830), (1275, 16038), (1350, 15147), (1377, 14850), (1458, 14025), (1485, 13770), (1530, 13365), (1650, 12393), (1683, 12150), (1782, 11475), (1870, 10935), (2025, 10098), (2187, 9350), (2295, 8910), (2430, 8415), (2475, 8262), (2550, 8019), (2673, 7650), (2754, 7425), (2805, 7290), (2970, 6885), (3366, 6075), (3645, 5610), (3825, 5346), (4050, 5049), (4131, 4950), (4374, 4675), (4455, 4590)]