20918005248

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1945499}}^1$

素因数の和:1945527

約数の個数: 80

約数和(自身を含む): 63687888000

約数和(自身を除く): 42769882752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 1945499, 3890998, 5836497, 7781996, 11672994, 13618493, 15563992, 23345988, 27236986, 31127984, 40855479, 46691976, 54473972, 62255968, 81710958, 93383952, 108947944, 124511936, 163421916, 186767904, 217895888, 249023872, 326843832, 373535808, 435791776, 498047744, 653687664, 747071616, 871583552, 996095488, 1307375328, 1494143232, 1743167104, 2614750656, 2988286464, 3486334208, 5229501312, 6972668416, 10459002624, 20918005248]

約数ペア:

[(1, 20918005248), (2, 10459002624), (3, 6972668416), (4, 5229501312), (6, 3486334208), (7, 2988286464), (8, 2614750656), (12, 1743167104), (14, 1494143232), (16, 1307375328), (21, 996095488), (24, 871583552), (28, 747071616), (32, 653687664), (42, 498047744), (48, 435791776), (56, 373535808), (64, 326843832), (84, 249023872), (96, 217895888), (112, 186767904), (128, 163421916), (168, 124511936), (192, 108947944), (224, 93383952), (256, 81710958), (336, 62255968), (384, 54473972), (448, 46691976), (512, 40855479), (672, 31127984), (768, 27236986), (896, 23345988), (1344, 15563992), (1536, 13618493), (1792, 11672994), (2688, 7781996), (3584, 5836497), (5376, 3890998), (10752, 1945499)]