20218290066

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1\times {\mathrm{977}}^1$

素因数の和:1761

約数の個数: 128

約数和(自身を含む): 49685529600

約数和(自身を除く): 29467239534

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 82, 117, 123, 234, 246, 351, 369, 533, 702, 719, 738, 977, 1066, 1107, 1438, 1599, 1954, 2157, 2214, 2931, 3198, 4314, 4797, 5862, 6471, 8793, 9347, 9594, 12701, 12942, 14391, 17586, 18694, 19413, 25402, 26379, 28041, 28782, 29479, 38103, 38826, 40057, 52758, 56082, 58958, 76206, 80114, 84123, 88437, 114309, 120171, 168246, 176874, 228618, 240342, 252369, 265311, 342927, 360513, 383227, 504738, 520741, 530622, 685854, 702463, 721026, 766454, 795933, 1041482, 1081539, 1149681, 1404926, 1562223, 1591866, 2107389, 2163078, 2299362, 3124446, 3449043, 4214778, 4686669, 6322167, 6898086, 9132019, 9373338, 10347129, 12644334, 14060007, 18264038, 18966501, 20694258, 27396057, 28120014, 28800983, 37933002, 54792114, 57601966, 82188171, 86402949, 164376342, 172805898, 246564513, 259208847, 374412779, 493129026, 518417694, 748825558, 777626541, 1123238337, 1555253082, 2246476674, 3369715011, 6739430022, 10109145033, 20218290066]

約数ペア:

[(1, 20218290066), (2, 10109145033), (3, 6739430022), (6, 3369715011), (9, 2246476674), (13, 1555253082), (18, 1123238337), (26, 777626541), (27, 748825558), (39, 518417694), (41, 493129026), (54, 374412779), (78, 259208847), (82, 246564513), (117, 172805898), (123, 164376342), (234, 86402949), (246, 82188171), (351, 57601966), (369, 54792114), (533, 37933002), (702, 28800983), (719, 28120014), (738, 27396057), (977, 20694258), (1066, 18966501), (1107, 18264038), (1438, 14060007), (1599, 12644334), (1954, 10347129), (2157, 9373338), (2214, 9132019), (2931, 6898086), (3198, 6322167), (4314, 4686669), (4797, 4214778), (5862, 3449043), (6471, 3124446), (8793, 2299362), (9347, 2163078), (9594, 2107389), (12701, 1591866), (12942, 1562223), (14391, 1404926), (17586, 1149681), (18694, 1081539), (19413, 1041482), (25402, 795933), (26379, 766454), (28041, 721026), (28782, 702463), (29479, 685854), (38103, 530622), (38826, 520741), (40057, 504738), (52758, 383227), (56082, 360513), (58958, 342927), (76206, 265311), (80114, 252369), (84123, 240342), (88437, 228618), (114309, 176874), (120171, 168246)]