20017503808

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{33391}}^1$

素因数の和:33468

約数の個数: 112

約数和(自身を含む): 45800467200

約数和(自身を除く): 25782963392

約数列:

[1, 2, 4, 8, 16, 17, 19, 29, 32, 34, 38, 58, 64, 68, 76, 116, 136, 152, 232, 272, 304, 323, 464, 493, 544, 551, 608, 646, 928, 986, 1088, 1102, 1216, 1292, 1856, 1972, 2204, 2584, 3944, 4408, 5168, 7888, 8816, 9367, 10336, 15776, 17632, 18734, 20672, 31552, 33391, 35264, 37468, 66782, 74936, 133564, 149872, 267128, 299744, 534256, 567647, 599488, 634429, 968339, 1068512, 1135294, 1268858, 1936678, 2137024, 2270588, 2537716, 3873356, 4541176, 5075432, 7746712, 9082352, 10150864, 10785293, 15493424, 16461763, 18164704, 18398441, 20301728, 21570586, 30986848, 32923526, 36329408, 36796882, 40603456, 43141172, 61973696, 65847052, 73593764, 86282344, 131694104, 147187528, 172564688, 263388208, 294375056, 312773497, 345129376, 526776416, 588750112, 625546994, 690258752, 1053552832, 1177500224, 1251093988, 2502187976, 5004375952, 10008751904, 20017503808]

約数ペア:

[(1, 20017503808), (2, 10008751904), (4, 5004375952), (8, 2502187976), (16, 1251093988), (17, 1177500224), (19, 1053552832), (29, 690258752), (32, 625546994), (34, 588750112), (38, 526776416), (58, 345129376), (64, 312773497), (68, 294375056), (76, 263388208), (116, 172564688), (136, 147187528), (152, 131694104), (232, 86282344), (272, 73593764), (304, 65847052), (323, 61973696), (464, 43141172), (493, 40603456), (544, 36796882), (551, 36329408), (608, 32923526), (646, 30986848), (928, 21570586), (986, 20301728), (1088, 18398441), (1102, 18164704), (1216, 16461763), (1292, 15493424), (1856, 10785293), (1972, 10150864), (2204, 9082352), (2584, 7746712), (3944, 5075432), (4408, 4541176), (5168, 3873356), (7888, 2537716), (8816, 2270588), (9367, 2137024), (10336, 1936678), (15776, 1268858), (17632, 1135294), (18734, 1068512), (20672, 968339), (31552, 634429), (33391, 599488), (35264, 567647), (37468, 534256), (66782, 299744), (74936, 267128), (133564, 149872)]