20682747904

素因数分解:

$2^{12}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7927}}^1$

素因数の和:7978

約数の個数: 156

約数和(自身を含む): 51820721904

約数和(自身を除く): 31137974000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 512, 637, 728, 784, 832, 896, 1024, 1274, 1456, 1568, 1664, 1792, 2048, 2548, 2912, 3136, 3328, 3584, 4096, 5096, 5824, 6272, 6656, 7168, 7927, 10192, 11648, 12544, 13312, 14336, 15854, 20384, 23296, 25088, 26624, 28672, 31708, 40768, 46592, 50176, 53248, 55489, 63416, 81536, 93184, 100352, 103051, 110978, 126832, 163072, 186368, 200704, 206102, 221956, 253664, 326144, 372736, 388423, 412204, 443912, 507328, 652288, 721357, 776846, 824408, 887824, 1014656, 1304576, 1442714, 1553692, 1648816, 1775648, 2029312, 2609152, 2885428, 3107384, 3297632, 3551296, 4058624, 5049499, 5770856, 6214768, 6595264, 7102592, 8117248, 10098998, 11541712, 12429536, 13190528, 14205184, 16234496, 20197996, 23083424, 24859072, 26381056, 28410368, 32468992, 40395992, 46166848, 49718144, 52762112, 56820736, 80791984, 92333696, 99436288, 105524224, 113641472, 161583968, 184667392, 198872576, 211048448, 227282944, 323167936, 369334784, 397745152, 422096896, 646335872, 738669568, 795490304, 1292671744, 1477339136, 1590980608, 2585343488, 2954678272, 5170686976, 10341373952, 20682747904]

約数ペア:

[(1, 20682747904), (2, 10341373952), (4, 5170686976), (7, 2954678272), (8, 2585343488), (13, 1590980608), (14, 1477339136), (16, 1292671744), (26, 795490304), (28, 738669568), (32, 646335872), (49, 422096896), (52, 397745152), (56, 369334784), (64, 323167936), (91, 227282944), (98, 211048448), (104, 198872576), (112, 184667392), (128, 161583968), (182, 113641472), (196, 105524224), (208, 99436288), (224, 92333696), (256, 80791984), (364, 56820736), (392, 52762112), (416, 49718144), (448, 46166848), (512, 40395992), (637, 32468992), (728, 28410368), (784, 26381056), (832, 24859072), (896, 23083424), (1024, 20197996), (1274, 16234496), (1456, 14205184), (1568, 13190528), (1664, 12429536), (1792, 11541712), (2048, 10098998), (2548, 8117248), (2912, 7102592), (3136, 6595264), (3328, 6214768), (3584, 5770856), (4096, 5049499), (5096, 4058624), (5824, 3551296), (6272, 3297632), (6656, 3107384), (7168, 2885428), (7927, 2609152), (10192, 2029312), (11648, 1775648), (12544, 1648816), (13312, 1553692), (14336, 1442714), (15854, 1304576), (20384, 1014656), (23296, 887824), (25088, 824408), (26624, 776846), (28672, 721357), (31708, 652288), (40768, 507328), (46592, 443912), (50176, 412204), (53248, 388423), (55489, 372736), (63416, 326144), (81536, 253664), (93184, 221956), (100352, 206102), (103051, 200704), (110978, 186368), (126832, 163072)]