20003424

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 64366848

約数和(自身を除く): 44363424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 103, 112, 119, 136, 168, 204, 206, 224, 238, 272, 289, 309, 336, 357, 408, 412, 476, 544, 578, 618, 672, 714, 721, 816, 824, 867, 952, 1156, 1236, 1428, 1442, 1632, 1648, 1734, 1751, 1904, 2023, 2163, 2312, 2472, 2856, 2884, 3296, 3468, 3502, 3808, 4046, 4326, 4624, 4944, 5253, 5712, 5768, 6069, 6936, 7004, 8092, 8652, 9248, 9888, 10506, 11424, 11536, 12138, 12257, 13872, 14008, 16184, 17304, 21012, 23072, 24276, 24514, 27744, 28016, 29767, 32368, 34608, 36771, 42024, 48552, 49028, 56032, 59534, 64736, 69216, 73542, 84048, 89301, 97104, 98056, 119068, 147084, 168096, 178602, 194208, 196112, 208369, 238136, 294168, 357204, 392224, 416738, 476272, 588336, 625107, 714408, 833476, 952544, 1176672, 1250214, 1428816, 1666952, 2500428, 2857632, 3333904, 5000856, 6667808, 10001712, 20003424]

約数ペア:

[(1, 20003424), (2, 10001712), (3, 6667808), (4, 5000856), (6, 3333904), (7, 2857632), (8, 2500428), (12, 1666952), (14, 1428816), (16, 1250214), (17, 1176672), (21, 952544), (24, 833476), (28, 714408), (32, 625107), (34, 588336), (42, 476272), (48, 416738), (51, 392224), (56, 357204), (68, 294168), (84, 238136), (96, 208369), (102, 196112), (103, 194208), (112, 178602), (119, 168096), (136, 147084), (168, 119068), (204, 98056), (206, 97104), (224, 89301), (238, 84048), (272, 73542), (289, 69216), (309, 64736), (336, 59534), (357, 56032), (408, 49028), (412, 48552), (476, 42024), (544, 36771), (578, 34608), (618, 32368), (672, 29767), (714, 28016), (721, 27744), (816, 24514), (824, 24276), (867, 23072), (952, 21012), (1156, 17304), (1236, 16184), (1428, 14008), (1442, 13872), (1632, 12257), (1648, 12138), (1734, 11536), (1751, 11424), (1904, 10506), (2023, 9888), (2163, 9248), (2312, 8652), (2472, 8092), (2856, 7004), (2884, 6936), (3296, 6069), (3468, 5768), (3502, 5712), (3808, 5253), (4046, 4944), (4326, 4624)]