20870136

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 68999040

約数和(自身を除く): 48128904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 81, 84, 86, 107, 108, 126, 129, 162, 168, 172, 189, 214, 216, 252, 258, 301, 321, 324, 344, 378, 387, 428, 504, 516, 567, 602, 642, 648, 749, 756, 774, 856, 903, 963, 1032, 1134, 1161, 1204, 1284, 1498, 1512, 1548, 1806, 1926, 2247, 2268, 2322, 2408, 2568, 2709, 2889, 2996, 3096, 3483, 3612, 3852, 4494, 4536, 4601, 4644, 5418, 5778, 5992, 6741, 6966, 7224, 7704, 8127, 8667, 8988, 9202, 9288, 10836, 11556, 13482, 13803, 13932, 16254, 17334, 17976, 18404, 20223, 21672, 23112, 24381, 26964, 27606, 27864, 32207, 32508, 34668, 36808, 40446, 41409, 48762, 53928, 55212, 60669, 64414, 65016, 69336, 80892, 82818, 96621, 97524, 110424, 121338, 124227, 128828, 161784, 165636, 193242, 195048, 242676, 248454, 257656, 289863, 331272, 372681, 386484, 485352, 496908, 579726, 745362, 772968, 869589, 993816, 1159452, 1490724, 1739178, 2318904, 2608767, 2981448, 3478356, 5217534, 6956712, 10435068, 20870136]

約数ペア:

[(1, 20870136), (2, 10435068), (3, 6956712), (4, 5217534), (6, 3478356), (7, 2981448), (8, 2608767), (9, 2318904), (12, 1739178), (14, 1490724), (18, 1159452), (21, 993816), (24, 869589), (27, 772968), (28, 745362), (36, 579726), (42, 496908), (43, 485352), (54, 386484), (56, 372681), (63, 331272), (72, 289863), (81, 257656), (84, 248454), (86, 242676), (107, 195048), (108, 193242), (126, 165636), (129, 161784), (162, 128828), (168, 124227), (172, 121338), (189, 110424), (214, 97524), (216, 96621), (252, 82818), (258, 80892), (301, 69336), (321, 65016), (324, 64414), (344, 60669), (378, 55212), (387, 53928), (428, 48762), (504, 41409), (516, 40446), (567, 36808), (602, 34668), (642, 32508), (648, 32207), (749, 27864), (756, 27606), (774, 26964), (856, 24381), (903, 23112), (963, 21672), (1032, 20223), (1134, 18404), (1161, 17976), (1204, 17334), (1284, 16254), (1498, 13932), (1512, 13803), (1548, 13482), (1806, 11556), (1926, 10836), (2247, 9288), (2268, 9202), (2322, 8988), (2408, 8667), (2568, 8127), (2709, 7704), (2889, 7224), (2996, 6966), (3096, 6741), (3483, 5992), (3612, 5778), (3852, 5418), (4494, 4644), (4536, 4601)]