20172858732

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{491}}^1\times {\mathrm{2251}}^1$

素因数の和:2781

約数の個数: 144

約数和(自身を含む): 56773100160

約数和(自身を除く): 36600241428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 491, 507, 676, 702, 982, 1014, 1404, 1473, 1521, 1964, 2028, 2251, 2946, 3042, 4419, 4502, 4563, 5892, 6084, 6383, 6753, 8838, 9004, 9126, 12766, 13257, 13506, 17676, 18252, 19149, 20259, 25532, 26514, 27012, 29263, 38298, 40518, 53028, 57447, 58526, 60777, 76596, 81036, 82979, 87789, 114894, 117052, 121554, 165958, 172341, 175578, 229788, 243108, 248937, 263367, 331916, 344682, 351156, 380419, 497874, 526734, 689364, 746811, 760838, 790101, 995748, 1053468, 1105241, 1141257, 1493622, 1521676, 1580202, 2210482, 2240433, 2282514, 2987244, 3160404, 3315723, 3423771, 4420964, 4480866, 4565028, 6631446, 6847542, 8961732, 9947169, 10271313, 13262892, 13695084, 14368133, 19894338, 20542626, 28736266, 29841507, 39788676, 41085252, 43104399, 57472532, 59683014, 86208798, 119366028, 129313197, 172417596, 186785729, 258626394, 373571458, 387939591, 517252788, 560357187, 747142916, 775879182, 1120714374, 1551758364, 1681071561, 2241428748, 3362143122, 5043214683, 6724286244, 10086429366, 20172858732]

約数ペア:

[(1, 20172858732), (2, 10086429366), (3, 6724286244), (4, 5043214683), (6, 3362143122), (9, 2241428748), (12, 1681071561), (13, 1551758364), (18, 1120714374), (26, 775879182), (27, 747142916), (36, 560357187), (39, 517252788), (52, 387939591), (54, 373571458), (78, 258626394), (108, 186785729), (117, 172417596), (156, 129313197), (169, 119366028), (234, 86208798), (338, 59683014), (351, 57472532), (468, 43104399), (491, 41085252), (507, 39788676), (676, 29841507), (702, 28736266), (982, 20542626), (1014, 19894338), (1404, 14368133), (1473, 13695084), (1521, 13262892), (1964, 10271313), (2028, 9947169), (2251, 8961732), (2946, 6847542), (3042, 6631446), (4419, 4565028), (4502, 4480866), (4563, 4420964), (5892, 3423771), (6084, 3315723), (6383, 3160404), (6753, 2987244), (8838, 2282514), (9004, 2240433), (9126, 2210482), (12766, 1580202), (13257, 1521676), (13506, 1493622), (17676, 1141257), (18252, 1105241), (19149, 1053468), (20259, 995748), (25532, 790101), (26514, 760838), (27012, 746811), (29263, 689364), (38298, 526734), (40518, 497874), (53028, 380419), (57447, 351156), (58526, 344682), (60777, 331916), (76596, 263367), (81036, 248937), (82979, 243108), (87789, 229788), (114894, 175578), (117052, 172341), (121554, 165958)]