20178507972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:722

約数の個数: 192

約数和(自身を含む): 56486707200

約数和(自身を除く): 36308199228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 131, 149, 186, 217, 262, 298, 372, 393, 397, 434, 447, 524, 596, 651, 786, 794, 868, 894, 917, 1043, 1191, 1302, 1572, 1588, 1788, 1834, 2086, 2382, 2604, 2751, 2779, 3129, 3668, 4061, 4172, 4619, 4764, 5502, 5558, 6258, 8122, 8337, 9238, 11004, 11116, 12183, 12307, 12516, 13857, 16244, 16674, 18476, 19519, 24366, 24614, 27714, 28427, 32333, 33348, 36921, 39038, 48732, 49228, 52007, 55428, 56854, 58557, 59153, 64666, 73842, 78076, 85281, 86149, 96999, 104014, 113708, 117114, 118306, 129332, 136633, 147684, 156021, 170562, 172298, 177459, 193998, 208028, 234228, 236612, 258447, 273266, 312042, 341124, 344596, 354918, 364049, 387996, 409899, 414071, 516894, 546532, 605089, 624084, 709836, 728098, 819798, 828142, 1033788, 1092147, 1210178, 1242213, 1456196, 1612217, 1639596, 1656284, 1815267, 1833743, 2184294, 2420356, 2484426, 3224434, 3630534, 3667486, 4235623, 4368588, 4836651, 4968852, 5501229, 6448868, 7261068, 7334972, 7749043, 8471246, 9673302, 11002458, 11285519, 12706869, 12836201, 15498086, 16942492, 19346604, 22004916, 22571038, 23247129, 25413738, 25672402, 30996172, 33856557, 38508603, 45142076, 46494258, 50827476, 51344804, 54243301, 67713114, 77017206, 92988516, 108486602, 135426228, 154034412, 162729903, 216973204, 240220333, 325459806, 480440666, 650919612, 720660999, 960881332, 1441321998, 1681542331, 2882643996, 3363084662, 5044626993, 6726169324, 10089253986, 20178507972]

約数ペア:

[(1, 20178507972), (2, 10089253986), (3, 6726169324), (4, 5044626993), (6, 3363084662), (7, 2882643996), (12, 1681542331), (14, 1441321998), (21, 960881332), (28, 720660999), (31, 650919612), (42, 480440666), (62, 325459806), (84, 240220333), (93, 216973204), (124, 162729903), (131, 154034412), (149, 135426228), (186, 108486602), (217, 92988516), (262, 77017206), (298, 67713114), (372, 54243301), (393, 51344804), (397, 50827476), (434, 46494258), (447, 45142076), (524, 38508603), (596, 33856557), (651, 30996172), (786, 25672402), (794, 25413738), (868, 23247129), (894, 22571038), (917, 22004916), (1043, 19346604), (1191, 16942492), (1302, 15498086), (1572, 12836201), (1588, 12706869), (1788, 11285519), (1834, 11002458), (2086, 9673302), (2382, 8471246), (2604, 7749043), (2751, 7334972), (2779, 7261068), (3129, 6448868), (3668, 5501229), (4061, 4968852), (4172, 4836651), (4619, 4368588), (4764, 4235623), (5502, 3667486), (5558, 3630534), (6258, 3224434), (8122, 2484426), (8337, 2420356), (9238, 2184294), (11004, 1833743), (11116, 1815267), (12183, 1656284), (12307, 1639596), (12516, 1612217), (13857, 1456196), (16244, 1242213), (16674, 1210178), (18476, 1092147), (19519, 1033788), (24366, 828142), (24614, 819798), (27714, 728098), (28427, 709836), (32333, 624084), (33348, 605089), (36921, 546532), (39038, 516894), (48732, 414071), (49228, 409899), (52007, 387996), (55428, 364049), (56854, 354918), (58557, 344596), (59153, 341124), (64666, 312042), (73842, 273266), (78076, 258447), (85281, 236612), (86149, 234228), (96999, 208028), (104014, 193998), (113708, 177459), (117114, 172298), (118306, 170562), (129332, 156021), (136633, 147684)]