20647536

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 68328960

約数和(自身を除く): 47681424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 29, 39, 42, 48, 52, 56, 58, 78, 84, 87, 91, 104, 112, 116, 156, 163, 168, 174, 182, 203, 208, 232, 273, 312, 326, 336, 348, 364, 377, 406, 464, 489, 546, 609, 624, 652, 696, 728, 754, 812, 978, 1092, 1131, 1141, 1218, 1304, 1392, 1456, 1508, 1624, 1956, 2119, 2184, 2262, 2282, 2436, 2608, 2639, 3016, 3248, 3423, 3912, 4238, 4368, 4524, 4564, 4727, 4872, 5278, 6032, 6357, 6846, 7824, 7917, 8476, 9048, 9128, 9454, 9744, 10556, 12714, 13692, 14181, 14833, 15834, 16952, 18096, 18256, 18908, 21112, 25428, 27384, 28362, 29666, 31668, 33089, 33904, 37816, 42224, 44499, 50856, 54768, 56724, 59332, 61451, 63336, 66178, 75632, 88998, 99267, 101712, 113448, 118664, 122902, 126672, 132356, 177996, 184353, 198534, 226896, 237328, 245804, 264712, 355992, 368706, 397068, 430157, 491608, 529424, 711984, 737412, 794136, 860314, 983216, 1290471, 1474824, 1588272, 1720628, 2580942, 2949648, 3441256, 5161884, 6882512, 10323768, 20647536]

約数ペア:

[(1, 20647536), (2, 10323768), (3, 6882512), (4, 5161884), (6, 3441256), (7, 2949648), (8, 2580942), (12, 1720628), (13, 1588272), (14, 1474824), (16, 1290471), (21, 983216), (24, 860314), (26, 794136), (28, 737412), (29, 711984), (39, 529424), (42, 491608), (48, 430157), (52, 397068), (56, 368706), (58, 355992), (78, 264712), (84, 245804), (87, 237328), (91, 226896), (104, 198534), (112, 184353), (116, 177996), (156, 132356), (163, 126672), (168, 122902), (174, 118664), (182, 113448), (203, 101712), (208, 99267), (232, 88998), (273, 75632), (312, 66178), (326, 63336), (336, 61451), (348, 59332), (364, 56724), (377, 54768), (406, 50856), (464, 44499), (489, 42224), (546, 37816), (609, 33904), (624, 33089), (652, 31668), (696, 29666), (728, 28362), (754, 27384), (812, 25428), (978, 21112), (1092, 18908), (1131, 18256), (1141, 18096), (1218, 16952), (1304, 15834), (1392, 14833), (1456, 14181), (1508, 13692), (1624, 12714), (1956, 10556), (2119, 9744), (2184, 9454), (2262, 9128), (2282, 9048), (2436, 8476), (2608, 7917), (2639, 7824), (3016, 6846), (3248, 6357), (3423, 6032), (3912, 5278), (4238, 4872), (4368, 4727), (4524, 4564)]