20171008

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 51508800

約数和(自身を除く): 31337792

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 29, 32, 38, 44, 52, 58, 64, 76, 88, 104, 116, 128, 143, 152, 176, 208, 209, 232, 247, 256, 286, 304, 319, 352, 377, 416, 418, 464, 494, 551, 572, 608, 638, 704, 754, 832, 836, 928, 988, 1102, 1144, 1216, 1276, 1408, 1508, 1664, 1672, 1856, 1976, 2204, 2288, 2432, 2552, 2717, 2816, 3016, 3328, 3344, 3712, 3952, 4147, 4408, 4576, 4864, 5104, 5434, 6032, 6061, 6688, 7163, 7424, 7904, 8294, 8816, 9152, 10208, 10868, 12064, 12122, 13376, 14326, 15808, 16588, 17632, 18304, 20416, 21736, 24128, 24244, 26752, 28652, 31616, 33176, 35264, 36608, 40832, 43472, 48256, 48488, 53504, 57304, 63232, 66352, 70528, 78793, 81664, 86944, 96512, 96976, 114608, 132704, 141056, 157586, 173888, 193952, 229216, 265408, 315172, 347776, 387904, 458432, 530816, 630344, 695552, 775808, 916864, 1061632, 1260688, 1551616, 1833728, 2521376, 5042752, 10085504, 20171008]

約数ペア:

[(1, 20171008), (2, 10085504), (4, 5042752), (8, 2521376), (11, 1833728), (13, 1551616), (16, 1260688), (19, 1061632), (22, 916864), (26, 775808), (29, 695552), (32, 630344), (38, 530816), (44, 458432), (52, 387904), (58, 347776), (64, 315172), (76, 265408), (88, 229216), (104, 193952), (116, 173888), (128, 157586), (143, 141056), (152, 132704), (176, 114608), (208, 96976), (209, 96512), (232, 86944), (247, 81664), (256, 78793), (286, 70528), (304, 66352), (319, 63232), (352, 57304), (377, 53504), (416, 48488), (418, 48256), (464, 43472), (494, 40832), (551, 36608), (572, 35264), (608, 33176), (638, 31616), (704, 28652), (754, 26752), (832, 24244), (836, 24128), (928, 21736), (988, 20416), (1102, 18304), (1144, 17632), (1216, 16588), (1276, 15808), (1408, 14326), (1508, 13376), (1664, 12122), (1672, 12064), (1856, 10868), (1976, 10208), (2204, 9152), (2288, 8816), (2432, 8294), (2552, 7904), (2717, 7424), (2816, 7163), (3016, 6688), (3328, 6061), (3344, 6032), (3712, 5434), (3952, 5104), (4147, 4864), (4408, 4576)]