20019744

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 45298656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 29, 32, 34, 36, 47, 48, 51, 54, 58, 68, 72, 87, 94, 96, 102, 108, 116, 136, 141, 144, 153, 174, 188, 204, 216, 232, 261, 272, 282, 288, 306, 348, 376, 408, 423, 432, 459, 464, 493, 522, 544, 564, 612, 696, 752, 783, 799, 816, 846, 864, 918, 928, 986, 1044, 1128, 1224, 1269, 1363, 1392, 1479, 1504, 1566, 1598, 1632, 1692, 1836, 1972, 2088, 2256, 2397, 2448, 2538, 2726, 2784, 2958, 3132, 3196, 3384, 3672, 3944, 4089, 4176, 4437, 4512, 4794, 4896, 5076, 5452, 5916, 6264, 6392, 6768, 7191, 7344, 7888, 8178, 8352, 8874, 9588, 10152, 10904, 11832, 12267, 12528, 12784, 13311, 13536, 14382, 14688, 15776, 16356, 17748, 19176, 20304, 21573, 21808, 23171, 23664, 24534, 25056, 25568, 26622, 28764, 32712, 35496, 36801, 38352, 40608, 43146, 43616, 46342, 47328, 49068, 53244, 57528, 65424, 69513, 70992, 73602, 76704, 86292, 92684, 98136, 106488, 115056, 130848, 139026, 141984, 147204, 172584, 185368, 196272, 208539, 212976, 230112, 278052, 294408, 345168, 370736, 392544, 417078, 425952, 556104, 588816, 625617, 690336, 741472, 834156, 1112208, 1177632, 1251234, 1668312, 2224416, 2502468, 3336624, 5004936, 6673248, 10009872, 20019744]

約数ペア:

[(1, 20019744), (2, 10009872), (3, 6673248), (4, 5004936), (6, 3336624), (8, 2502468), (9, 2224416), (12, 1668312), (16, 1251234), (17, 1177632), (18, 1112208), (24, 834156), (27, 741472), (29, 690336), (32, 625617), (34, 588816), (36, 556104), (47, 425952), (48, 417078), (51, 392544), (54, 370736), (58, 345168), (68, 294408), (72, 278052), (87, 230112), (94, 212976), (96, 208539), (102, 196272), (108, 185368), (116, 172584), (136, 147204), (141, 141984), (144, 139026), (153, 130848), (174, 115056), (188, 106488), (204, 98136), (216, 92684), (232, 86292), (261, 76704), (272, 73602), (282, 70992), (288, 69513), (306, 65424), (348, 57528), (376, 53244), (408, 49068), (423, 47328), (432, 46342), (459, 43616), (464, 43146), (493, 40608), (522, 38352), (544, 36801), (564, 35496), (612, 32712), (696, 28764), (752, 26622), (783, 25568), (799, 25056), (816, 24534), (846, 23664), (864, 23171), (918, 21808), (928, 21573), (986, 20304), (1044, 19176), (1128, 17748), (1224, 16356), (1269, 15776), (1363, 14688), (1392, 14382), (1479, 13536), (1504, 13311), (1566, 12784), (1598, 12528), (1632, 12267), (1692, 11832), (1836, 10904), (1972, 10152), (2088, 9588), (2256, 8874), (2397, 8352), (2448, 8178), (2538, 7888), (2726, 7344), (2784, 7191), (2958, 6768), (3132, 6392), (3196, 6264), (3384, 5916), (3672, 5452), (3944, 5076), (4089, 4896), (4176, 4794), (4437, 4512)]