20420199720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{31013}}^1$

素因数の和:31120

約数の個数: 192

約数和(自身を含む): 69669849600

約数和(自身を除く): 49249649880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 59, 60, 62, 72, 90, 93, 118, 120, 124, 155, 177, 180, 186, 236, 248, 279, 295, 310, 354, 360, 372, 465, 472, 531, 558, 590, 620, 708, 744, 885, 930, 1062, 1116, 1180, 1240, 1395, 1416, 1770, 1829, 1860, 2124, 2232, 2360, 2655, 2790, 3540, 3658, 3720, 4248, 5310, 5487, 5580, 7080, 7316, 9145, 10620, 10974, 11160, 14632, 16461, 18290, 21240, 21948, 27435, 31013, 32922, 36580, 43896, 54870, 62026, 65844, 73160, 82305, 93039, 109740, 124052, 131688, 155065, 164610, 186078, 219480, 248104, 279117, 310130, 329220, 372156, 465195, 558234, 620260, 658440, 744312, 930390, 961403, 1116468, 1240520, 1395585, 1829767, 1860780, 1922806, 2232936, 2791170, 2884209, 3659534, 3721560, 3845612, 4807015, 5489301, 5582340, 5768418, 7319068, 7691224, 8652627, 9148835, 9614030, 10978602, 11164680, 11536836, 14421045, 14638136, 16467903, 17305254, 18297670, 19228060, 21957204, 23073672, 27446505, 28842090, 32935806, 34610508, 36595340, 38456120, 43263135, 43914408, 54893010, 56722777, 57684180, 65871612, 69221016, 73190680, 82339515, 86526270, 109786020, 113445554, 115368360, 131743224, 164679030, 170168331, 173052540, 219572040, 226891108, 283613885, 329358060, 340336662, 346105080, 453782216, 510504993, 567227770, 658716120, 680673324, 850841655, 1021009986, 1134455540, 1361346648, 1701683310, 2042019972, 2268911080, 2552524965, 3403366620, 4084039944, 5105049930, 6806733240, 10210099860, 20420199720]

約数ペア:

[(1, 20420199720), (2, 10210099860), (3, 6806733240), (4, 5105049930), (5, 4084039944), (6, 3403366620), (8, 2552524965), (9, 2268911080), (10, 2042019972), (12, 1701683310), (15, 1361346648), (18, 1134455540), (20, 1021009986), (24, 850841655), (30, 680673324), (31, 658716120), (36, 567227770), (40, 510504993), (45, 453782216), (59, 346105080), (60, 340336662), (62, 329358060), (72, 283613885), (90, 226891108), (93, 219572040), (118, 173052540), (120, 170168331), (124, 164679030), (155, 131743224), (177, 115368360), (180, 113445554), (186, 109786020), (236, 86526270), (248, 82339515), (279, 73190680), (295, 69221016), (310, 65871612), (354, 57684180), (360, 56722777), (372, 54893010), (465, 43914408), (472, 43263135), (531, 38456120), (558, 36595340), (590, 34610508), (620, 32935806), (708, 28842090), (744, 27446505), (885, 23073672), (930, 21957204), (1062, 19228060), (1116, 18297670), (1180, 17305254), (1240, 16467903), (1395, 14638136), (1416, 14421045), (1770, 11536836), (1829, 11164680), (1860, 10978602), (2124, 9614030), (2232, 9148835), (2360, 8652627), (2655, 7691224), (2790, 7319068), (3540, 5768418), (3658, 5582340), (3720, 5489301), (4248, 4807015), (5310, 3845612), (5487, 3721560), (5580, 3659534), (7080, 2884209), (7316, 2791170), (9145, 2232936), (10620, 1922806), (10974, 1860780), (11160, 1829767), (14632, 1395585), (16461, 1240520), (18290, 1116468), (21240, 961403), (21948, 930390), (27435, 744312), (31013, 658440), (32922, 620260), (36580, 558234), (43896, 465195), (54870, 372156), (62026, 329220), (65844, 310130), (73160, 279117), (82305, 248104), (93039, 219480), (109740, 186078), (124052, 164610), (131688, 155065)]