20380493056

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{11617}}^1$

素因数の和:11740

約数の個数: 144

約数和(自身を含む): 51293934720

約数和(自身を除く): 30913441664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 89, 112, 128, 154, 176, 178, 224, 256, 308, 352, 356, 448, 616, 623, 704, 712, 896, 979, 1232, 1246, 1408, 1424, 1792, 1958, 2464, 2492, 2816, 2848, 3916, 4928, 4984, 5696, 6853, 7832, 9856, 9968, 11392, 11617, 13706, 15664, 19712, 19936, 22784, 23234, 27412, 31328, 39872, 46468, 54824, 62656, 79744, 81319, 92936, 109648, 125312, 127787, 159488, 162638, 185872, 219296, 250624, 255574, 325276, 371744, 438592, 511148, 650552, 743488, 877184, 894509, 1022296, 1033913, 1301104, 1486976, 1754368, 1789018, 2044592, 2067826, 2602208, 2973952, 3578036, 4089184, 4135652, 5204416, 7156072, 7237391, 8178368, 8271304, 10408832, 11373043, 14312144, 14474782, 16356736, 16542608, 20817664, 22746086, 28624288, 28949564, 32713472, 33085216, 45492172, 57248576, 57899128, 66170432, 79611301, 90984344, 114497152, 115798256, 132340864, 159222602, 181968688, 228994304, 231596512, 264681728, 318445204, 363937376, 463193024, 636890408, 727874752, 926386048, 1273780816, 1455749504, 1852772096, 2547561632, 2911499008, 5095123264, 10190246528, 20380493056]

約数ペア:

[(1, 20380493056), (2, 10190246528), (4, 5095123264), (7, 2911499008), (8, 2547561632), (11, 1852772096), (14, 1455749504), (16, 1273780816), (22, 926386048), (28, 727874752), (32, 636890408), (44, 463193024), (56, 363937376), (64, 318445204), (77, 264681728), (88, 231596512), (89, 228994304), (112, 181968688), (128, 159222602), (154, 132340864), (176, 115798256), (178, 114497152), (224, 90984344), (256, 79611301), (308, 66170432), (352, 57899128), (356, 57248576), (448, 45492172), (616, 33085216), (623, 32713472), (704, 28949564), (712, 28624288), (896, 22746086), (979, 20817664), (1232, 16542608), (1246, 16356736), (1408, 14474782), (1424, 14312144), (1792, 11373043), (1958, 10408832), (2464, 8271304), (2492, 8178368), (2816, 7237391), (2848, 7156072), (3916, 5204416), (4928, 4135652), (4984, 4089184), (5696, 3578036), (6853, 2973952), (7832, 2602208), (9856, 2067826), (9968, 2044592), (11392, 1789018), (11617, 1754368), (13706, 1486976), (15664, 1301104), (19712, 1033913), (19936, 1022296), (22784, 894509), (23234, 877184), (27412, 743488), (31328, 650552), (39872, 511148), (46468, 438592), (54824, 371744), (62656, 325276), (79744, 255574), (81319, 250624), (92936, 219296), (109648, 185872), (125312, 162638), (127787, 159488)]