20216927816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 41896673280

約数和(自身を除く): 21679745464

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 127, 136, 163, 167, 172, 254, 326, 334, 344, 508, 652, 668, 731, 1016, 1304, 1336, 1462, 2159, 2771, 2839, 2924, 4318, 5461, 5542, 5678, 5848, 7009, 7181, 8636, 10922, 11084, 11356, 14018, 14362, 17272, 20701, 21209, 21844, 22168, 22712, 27221, 28036, 28724, 41402, 42418, 43688, 54442, 56072, 57448, 82804, 84836, 92837, 108884, 119153, 122077, 165608, 169672, 185674, 217768, 238306, 244154, 351917, 360553, 371348, 462757, 476612, 488308, 703834, 721106, 742696, 890143, 911987, 925514, 953224, 976616, 1170503, 1407668, 1442212, 1780286, 1823974, 1851028, 2341006, 2815336, 2884424, 3457067, 3560572, 3647948, 3702056, 4682012, 6914134, 7121144, 7295896, 9364024, 13828268, 15132431, 15503779, 19898551, 27656536, 30264862, 31007558, 39797102, 58770139, 60529724, 62015116, 79594204, 117540278, 121059448, 124030232, 148653881, 159188408, 235080556, 297307762, 470161112, 594615524, 1189231048, 2527115977, 5054231954, 10108463908, 20216927816]

約数ペア:

[(1, 20216927816), (2, 10108463908), (4, 5054231954), (8, 2527115977), (17, 1189231048), (34, 594615524), (43, 470161112), (68, 297307762), (86, 235080556), (127, 159188408), (136, 148653881), (163, 124030232), (167, 121059448), (172, 117540278), (254, 79594204), (326, 62015116), (334, 60529724), (344, 58770139), (508, 39797102), (652, 31007558), (668, 30264862), (731, 27656536), (1016, 19898551), (1304, 15503779), (1336, 15132431), (1462, 13828268), (2159, 9364024), (2771, 7295896), (2839, 7121144), (2924, 6914134), (4318, 4682012), (5461, 3702056), (5542, 3647948), (5678, 3560572), (5848, 3457067), (7009, 2884424), (7181, 2815336), (8636, 2341006), (10922, 1851028), (11084, 1823974), (11356, 1780286), (14018, 1442212), (14362, 1407668), (17272, 1170503), (20701, 976616), (21209, 953224), (21844, 925514), (22168, 911987), (22712, 890143), (27221, 742696), (28036, 721106), (28724, 703834), (41402, 488308), (42418, 476612), (43688, 462757), (54442, 371348), (56072, 360553), (57448, 351917), (82804, 244154), (84836, 238306), (92837, 217768), (108884, 185674), (119153, 169672), (122077, 165608)]