20768118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 53049600

約数和(自身を除く): 32281482

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 59, 87, 102, 118, 119, 174, 177, 203, 238, 289, 354, 357, 406, 413, 493, 578, 609, 714, 826, 867, 986, 1003, 1218, 1239, 1479, 1711, 1734, 2006, 2023, 2478, 2958, 3009, 3422, 3451, 4046, 5133, 6018, 6069, 6902, 7021, 8381, 10266, 10353, 11977, 12138, 14042, 16762, 17051, 20706, 21063, 23954, 25143, 29087, 34102, 35931, 42126, 50286, 51153, 58174, 58667, 71862, 87261, 102306, 117334, 119357, 174522, 176001, 203609, 238714, 352002, 358071, 407218, 494479, 610827, 716142, 988958, 1221654, 1483437, 2966874, 3461353, 6922706, 10384059, 20768118]

約数ペア:

[(1, 20768118), (2, 10384059), (3, 6922706), (6, 3461353), (7, 2966874), (14, 1483437), (17, 1221654), (21, 988958), (29, 716142), (34, 610827), (42, 494479), (51, 407218), (58, 358071), (59, 352002), (87, 238714), (102, 203609), (118, 176001), (119, 174522), (174, 119357), (177, 117334), (203, 102306), (238, 87261), (289, 71862), (354, 58667), (357, 58174), (406, 51153), (413, 50286), (493, 42126), (578, 35931), (609, 34102), (714, 29087), (826, 25143), (867, 23954), (986, 21063), (1003, 20706), (1218, 17051), (1239, 16762), (1479, 14042), (1711, 12138), (1734, 11977), (2006, 10353), (2023, 10266), (2478, 8381), (2958, 7021), (3009, 6902), (3422, 6069), (3451, 6018), (4046, 5133)]