20409607260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2917}}^1$

素因数の和:3562

約数の個数: 240

約数和(自身を含む): 73315940544

約数和(自身を除く): 52906333284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 617, 630, 756, 810, 945, 1134, 1234, 1260, 1620, 1851, 1890, 2268, 2468, 2835, 2917, 3085, 3702, 3780, 4319, 5553, 5670, 5834, 6170, 7404, 8638, 8751, 9255, 11106, 11340, 11668, 12340, 12957, 14585, 16659, 17276, 17502, 18510, 20419, 21595, 22212, 25914, 26253, 27765, 29170, 33318, 35004, 37020, 38871, 40838, 43190, 43755, 49977, 51828, 52506, 55530, 58340, 61257, 64785, 66636, 77742, 78759, 81676, 83295, 86380, 87510, 99954, 102095, 105012, 111060, 116613, 122514, 129570, 131265, 155484, 157518, 166590, 175020, 183771, 194355, 199908, 204190, 233226, 236277, 245028, 249885, 259140, 262530, 306285, 315036, 333180, 349839, 367542, 388710, 393795, 408380, 466452, 472554, 499770, 525060, 551313, 583065, 612570, 699678, 735084, 777420, 787590, 918855, 945108, 999540, 1102626, 1166130, 1181385, 1225140, 1399356, 1575180, 1653939, 1749195, 1799789, 1837710, 2205252, 2332260, 2362770, 2756565, 3307878, 3498390, 3599578, 3675420, 4725540, 5399367, 5513130, 6615756, 6996780, 7199156, 8269695, 8998945, 10798734, 11026260, 12598523, 16198101, 16539390, 17997890, 21597468, 25197046, 26996835, 32396202, 33078780, 35995780, 37795569, 48594303, 50394092, 53993670, 62992615, 64792404, 75591138, 80990505, 97188606, 107987340, 113386707, 125985230, 145782909, 151182276, 161981010, 188977845, 194377212, 226773414, 242971515, 251970460, 291565818, 323962020, 340160121, 377955690, 453546828, 485943030, 566933535, 583131636, 680320242, 728914545, 755911380, 971886060, 1020480363, 1133867070, 1360640484, 1457829090, 1700800605, 2040960726, 2267734140, 2915658180, 3401601210, 4081921452, 5102401815, 6803202420, 10204803630, 20409607260]

約数ペア:

[(1, 20409607260), (2, 10204803630), (3, 6803202420), (4, 5102401815), (5, 4081921452), (6, 3401601210), (7, 2915658180), (9, 2267734140), (10, 2040960726), (12, 1700800605), (14, 1457829090), (15, 1360640484), (18, 1133867070), (20, 1020480363), (21, 971886060), (27, 755911380), (28, 728914545), (30, 680320242), (35, 583131636), (36, 566933535), (42, 485943030), (45, 453546828), (54, 377955690), (60, 340160121), (63, 323962020), (70, 291565818), (81, 251970460), (84, 242971515), (90, 226773414), (105, 194377212), (108, 188977845), (126, 161981010), (135, 151182276), (140, 145782909), (162, 125985230), (180, 113386707), (189, 107987340), (210, 97188606), (252, 80990505), (270, 75591138), (315, 64792404), (324, 62992615), (378, 53993670), (405, 50394092), (420, 48594303), (540, 37795569), (567, 35995780), (617, 33078780), (630, 32396202), (756, 26996835), (810, 25197046), (945, 21597468), (1134, 17997890), (1234, 16539390), (1260, 16198101), (1620, 12598523), (1851, 11026260), (1890, 10798734), (2268, 8998945), (2468, 8269695), (2835, 7199156), (2917, 6996780), (3085, 6615756), (3702, 5513130), (3780, 5399367), (4319, 4725540), (5553, 3675420), (5670, 3599578), (5834, 3498390), (6170, 3307878), (7404, 2756565), (8638, 2362770), (8751, 2332260), (9255, 2205252), (11106, 1837710), (11340, 1799789), (11668, 1749195), (12340, 1653939), (12957, 1575180), (14585, 1399356), (16659, 1225140), (17276, 1181385), (17502, 1166130), (18510, 1102626), (20419, 999540), (21595, 945108), (22212, 918855), (25914, 787590), (26253, 777420), (27765, 735084), (29170, 699678), (33318, 612570), (35004, 583065), (37020, 551313), (38871, 525060), (40838, 499770), (43190, 472554), (43755, 466452), (49977, 408380), (51828, 393795), (52506, 388710), (55530, 367542), (58340, 349839), (61257, 333180), (64785, 315036), (66636, 306285), (77742, 262530), (78759, 259140), (81676, 249885), (83295, 245028), (86380, 236277), (87510, 233226), (99954, 204190), (102095, 199908), (105012, 194355), (111060, 183771), (116613, 175020), (122514, 166590), (129570, 157518), (131265, 155484)]