20893686528

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:129

約数の個数: 864

約数和(自身を含む): 75359434752

約数和(自身を除く): 54465748224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 17, 19, 22, 24, 26, 31, 32, 33, 34, 38, 39, 44, 48, 51, 52, 57, 62, 64, 66, 68, 76, 78, 88, 93, 96, 102, 104, 114, 124, 128, 132, 136, 143, 152, 156, 176, 186, 187, 192, 204, 208, 209, 221, 228, 247, 248, 256, 264, 272, 286, 304, 312, 323, 341, 352, 361, 372, 374, 384, 403, 408, 416, 418, 429, 442, 456, 494, 496, 527, 528, 544, 561, 572, 589, 608, 624, 627, 646, 663, 682, 704, 722, 741, 744, 748, 768, 806, 816, 832, 836, 858, 884, 912, 969, 988, 992, 1023, 1054, 1056, 1083, 1088, 1122, 1144, 1178, 1209, 1216, 1248, 1254, 1292, 1326, 1364, 1408, 1444, 1482, 1488, 1496, 1581, 1612, 1632, 1664, 1672, 1716, 1767, 1768, 1824, 1938, 1976, 1984, 2046, 2108, 2112, 2166, 2176, 2244, 2288, 2356, 2418, 2431, 2432, 2496, 2508, 2584, 2652, 2717, 2728, 2816, 2888, 2964, 2976, 2992, 3162, 3224, 3264, 3328, 3344, 3432, 3534, 3536, 3553, 3648, 3876, 3952, 3968, 3971, 4092, 4199, 4216, 4224, 4332, 4352, 4433, 4488, 4576, 4693, 4712, 4836, 4862, 4864, 4992, 5016, 5168, 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約数ペア:

[(1, 20893686528), (2, 10446843264), (3, 6964562176), (4, 5223421632), (6, 3482281088), (8, 2611710816), (11, 1899426048), (12, 1741140544), (13, 1607206656), (16, 1305855408), (17, 1229040384), (19, 1099667712), (22, 949713024), (24, 870570272), (26, 803603328), (31, 673989888), (32, 652927704), (33, 633142016), (34, 614520192), (38, 549833856), (39, 535735552), (44, 474856512), (48, 435285136), (51, 409680128), (52, 401801664), (57, 366555904), (62, 336994944), (64, 326463852), (66, 316571008), (68, 307260096), (76, 274916928), (78, 267867776), (88, 237428256), (93, 224663296), (96, 217642568), (102, 204840064), (104, 200900832), (114, 183277952), (124, 168497472), (128, 163231926), (132, 158285504), (136, 153630048), (143, 146109696), (152, 137458464), (156, 133933888), (176, 118714128), (186, 112331648), (187, 111730944), (192, 108821284), (204, 102420032), (208, 100450416), (209, 99969792), (221, 94541568), (228, 91638976), (247, 84589824), (248, 84248736), (256, 81615963), (264, 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