20001908416

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1431

約数の個数: 224

約数和(自身を含む): 50720670720

約数和(自身を除く): 30718762304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 64, 68, 89, 92, 112, 119, 136, 161, 178, 184, 224, 238, 272, 322, 356, 368, 391, 448, 476, 544, 623, 644, 712, 736, 782, 952, 1088, 1246, 1283, 1288, 1424, 1472, 1513, 1564, 1904, 2047, 2492, 2566, 2576, 2737, 2848, 3026, 3128, 3808, 4094, 4984, 5132, 5152, 5474, 5696, 6052, 6256, 7616, 8188, 8981, 9968, 10264, 10304, 10591, 10948, 12104, 12512, 14329, 16376, 17962, 19936, 20528, 21182, 21811, 21896, 24208, 25024, 28658, 29509, 32752, 34799, 35924, 39872, 41056, 42364, 43622, 43792, 48416, 57316, 59018, 65504, 69598, 71848, 82112, 84728, 87244, 87584, 96832, 114187, 114632, 118036, 131008, 139196, 143696, 152677, 169456, 174488, 175168, 206563, 228374, 229264, 236072, 243593, 278392, 287392, 305354, 338912, 348976, 413126, 456748, 458528, 472144, 487186, 501653, 556784, 574784, 610708, 677824, 697952, 799309, 826252, 913496, 917056, 944288, 974372, 1003306, 1113568, 1221416, 1395904, 1598618, 1652504, 1826992, 1888576, 1941179, 1948744, 2006612, 2227136, 2442832, 2626301, 3197236, 3305008, 3511571, 3653984, 3882358, 3897488, 4013224, 4885664, 5252602, 6394472, 6610016, 7023142, 7307968, 7764716, 7794976, 8026448, 9771328, 10505204, 12788944, 13220032, 13588253, 14046284, 15529432, 15589952, 16052896, 18384107, 21010408, 25577888, 27176506, 28092568, 31058864, 32105792, 36768214, 42020816, 44647117, 51155776, 54353012, 56185136, 62117728, 73536428, 84041632, 89294234, 108706024, 112370272, 124235456, 147072856, 168083264, 178588468, 217412048, 224740544, 294145712, 312529819, 357176936, 434824096, 588291424, 625059638, 714353872, 869648192, 1176582848, 1250119276, 1428707744, 2500238552, 2857415488, 5000477104, 10000954208, 20001908416]

約数ペア:

[(1, 20001908416), (2, 10000954208), (4, 5000477104), (7, 2857415488), (8, 2500238552), (14, 1428707744), (16, 1250119276), (17, 1176582848), (23, 869648192), (28, 714353872), (32, 625059638), (34, 588291424), (46, 434824096), (56, 357176936), (64, 312529819), (68, 294145712), (89, 224740544), (92, 217412048), (112, 178588468), (119, 168083264), (136, 147072856), (161, 124235456), (178, 112370272), (184, 108706024), (224, 89294234), (238, 84041632), (272, 73536428), (322, 62117728), (356, 56185136), (368, 54353012), (391, 51155776), (448, 44647117), (476, 42020816), (544, 36768214), (623, 32105792), (644, 31058864), (712, 28092568), (736, 27176506), (782, 25577888), (952, 21010408), (1088, 18384107), (1246, 16052896), (1283, 15589952), (1288, 15529432), (1424, 14046284), (1472, 13588253), (1513, 13220032), (1564, 12788944), (1904, 10505204), (2047, 9771328), (2492, 8026448), (2566, 7794976), (2576, 7764716), (2737, 7307968), (2848, 7023142), (3026, 6610016), (3128, 6394472), (3808, 5252602), (4094, 4885664), (4984, 4013224), (5132, 3897488), (5152, 3882358), (5474, 3653984), (5696, 3511571), (6052, 3305008), (6256, 3197236), (7616, 2626301), (8188, 2442832), (8981, 2227136), (9968, 2006612), (10264, 1948744), (10304, 1941179), (10591, 1888576), (10948, 1826992), (12104, 1652504), (12512, 1598618), (14329, 1395904), (16376, 1221416), (17962, 1113568), (19936, 1003306), (20528, 974372), (21182, 944288), (21811, 917056), (21896, 913496), (24208, 826252), (25024, 799309), (28658, 697952), (29509, 677824), (32752, 610708), (34799, 574784), (35924, 556784), (39872, 501653), (41056, 487186), (42364, 472144), (43622, 458528), (43792, 456748), (48416, 413126), (57316, 348976), (59018, 338912), (65504, 305354), (69598, 287392), (71848, 278392), (82112, 243593), (84728, 236072), (87244, 229264), (87584, 228374), (96832, 206563), (114187, 175168), (114632, 174488), (118036, 169456), (131008, 152677), (139196, 143696)]