20879217216

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:140

約数の個数: 1008

約数和(自身を含む): 79357045248

約数和(自身を除く): 58477828032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 22, 24, 26, 31, 32, 33, 34, 36, 37, 39, 44, 48, 51, 52, 62, 64, 66, 68, 72, 74, 78, 88, 93, 96, 99, 102, 104, 111, 117, 124, 132, 136, 143, 144, 148, 153, 156, 169, 176, 186, 187, 192, 198, 204, 208, 221, 222, 234, 248, 264, 272, 279, 286, 288, 296, 306, 312, 333, 338, 341, 352, 372, 374, 396, 403, 407, 408, 416, 429, 442, 444, 468, 481, 496, 507, 527, 528, 544, 558, 561, 572, 576, 592, 612, 624, 629, 663, 666, 676, 682, 704, 744, 748, 792, 806, 814, 816, 832, 858, 884, 888, 936, 962, 992, 1014, 1023, 1054, 1056, 1088, 1116, 1122, 1144, 1147, 1184, 1209, 1221, 1224, 1248, 1258, 1287, 1326, 1332, 1352, 1364, 1443, 1488, 1496, 1521, 1581, 1584, 1612, 1628, 1632, 1683, 1716, 1768, 1776, 1859, 1872, 1887, 1924, 1984, 1989, 2028, 2046, 2108, 2112, 2232, 2244, 2288, 2294, 2368, 2418, 2431, 2442, 2448, 2496, 2516, 2574, 2652, 2664, 2704, 2728, 2873, 2886, 2976, 2992, 3042, 3069, 3162, 3168, 3224, 3256, 3264, 3366, 3432, 3441, 3536, 3552, 3627, 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約数ペア:

[(1, 20879217216), (2, 10439608608), (3, 6959739072), (4, 5219804304), (6, 3479869536), (8, 2609902152), (9, 2319913024), (11, 1898110656), (12, 1739934768), (13, 1606093632), (16, 1304951076), (17, 1228189248), (18, 1159956512), (22, 949055328), (24, 869967384), (26, 803046816), (31, 673523136), (32, 652475538), (33, 632703552), (34, 614094624), (36, 579978256), (37, 564303168), (39, 535364544), (44, 474527664), (48, 434983692), (51, 409396416), (52, 401523408), (62, 336761568), (64, 326237769), (66, 316351776), (68, 307047312), (72, 289989128), (74, 282151584), (78, 267682272), (88, 237263832), (93, 224507712), (96, 217491846), (99, 210901184), (102, 204698208), (104, 200761704), (111, 188101056), (117, 178454848), (124, 168380784), (132, 158175888), (136, 153523656), (143, 146008512), (144, 144994564), (148, 141075792), (153, 136465472), (156, 133841136), (169, 123545664), (176, 118631916), (186, 112253856), (187, 111653568), (192, 108745923), (198, 105450592), (204, 102349104), 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