20495664336

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:658

約数の個数: 240

約数和(自身を含む): 62515385664

約数和(自身を除く): 42019721328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 163, 168, 193, 196, 277, 294, 326, 336, 386, 392, 489, 554, 579, 588, 652, 772, 784, 831, 978, 1108, 1141, 1158, 1176, 1304, 1351, 1544, 1662, 1939, 1956, 2216, 2282, 2316, 2352, 2608, 2702, 3088, 3324, 3423, 3878, 3912, 4053, 4432, 4564, 4632, 5404, 5817, 6648, 6846, 7756, 7824, 7987, 8106, 9128, 9264, 9457, 10808, 11634, 13296, 13573, 13692, 15512, 15974, 16212, 18256, 18914, 21616, 23268, 23961, 27146, 27384, 28371, 31024, 31459, 31948, 32424, 37828, 40719, 45151, 46536, 47922, 53461, 54292, 54768, 56742, 62918, 63896, 64848, 75656, 81438, 90302, 93072, 94377, 95844, 106922, 108584, 113484, 125836, 127792, 135453, 151312, 160383, 162876, 180604, 188754, 191688, 213844, 217168, 220213, 226968, 251672, 270906, 316057, 320766, 325752, 361208, 374227, 377508, 383376, 427688, 440426, 453936, 503344, 541812, 632114, 641532, 651504, 660639, 722416, 748454, 755016, 855376, 880852, 948171, 1083624, 1122681, 1264228, 1283064, 1321278, 1496908, 1510032, 1541491, 1761704, 1896342, 2167248, 2212399, 2245362, 2528456, 2566128, 2619589, 2642556, 2993816, 3082982, 3523408, 3792684, 4424798, 4490724, 4624473, 5056912, 5239178, 5285112, 5987632, 6165964, 6637197, 7585368, 7858767, 8714143, 8849596, 8981448, 9248946, 10478356, 10570224, 12331928, 13274394, 15170736, 15717534, 17428286, 17699192, 17962896, 18497892, 20956712, 24663856, 26142429, 26548788, 31435068, 34856572, 35398384, 36995784, 41913424, 52284858, 53097576, 60999001, 62870136, 69713144, 73991568, 104569716, 106195152, 121998002, 125740272, 139426288, 182997003, 209139432, 243996004, 365994006, 418278864, 426993007, 487992008, 731988012, 853986014, 975984016, 1280979021, 1463976024, 1707972028, 2561958042, 2927952048, 3415944056, 5123916084, 6831888112, 10247832168, 20495664336]

約数ペア:

[(1, 20495664336), (2, 10247832168), (3, 6831888112), (4, 5123916084), (6, 3415944056), (7, 2927952048), (8, 2561958042), (12, 1707972028), (14, 1463976024), (16, 1280979021), (21, 975984016), (24, 853986014), (28, 731988012), (42, 487992008), (48, 426993007), (49, 418278864), (56, 365994006), (84, 243996004), (98, 209139432), (112, 182997003), (147, 139426288), (163, 125740272), (168, 121998002), (193, 106195152), (196, 104569716), (277, 73991568), (294, 69713144), (326, 62870136), (336, 60999001), (386, 53097576), (392, 52284858), (489, 41913424), (554, 36995784), (579, 35398384), (588, 34856572), (652, 31435068), (772, 26548788), (784, 26142429), (831, 24663856), (978, 20956712), (1108, 18497892), (1141, 17962896), (1158, 17699192), (1176, 17428286), (1304, 15717534), (1351, 15170736), (1544, 13274394), (1662, 12331928), (1939, 10570224), (1956, 10478356), (2216, 9248946), (2282, 8981448), (2316, 8849596), (2352, 8714143), (2608, 7858767), (2702, 7585368), (3088, 6637197), (3324, 6165964), (3423, 5987632), (3878, 5285112), (3912, 5239178), (4053, 5056912), (4432, 4624473), (4564, 4490724), (4632, 4424798), (5404, 3792684), (5817, 3523408), (6648, 3082982), (6846, 2993816), (7756, 2642556), (7824, 2619589), (7987, 2566128), (8106, 2528456), (9128, 2245362), (9264, 2212399), (9457, 2167248), (10808, 1896342), (11634, 1761704), (13296, 1541491), (13573, 1510032), (13692, 1496908), (15512, 1321278), (15974, 1283064), (16212, 1264228), (18256, 1122681), (18914, 1083624), (21616, 948171), (23268, 880852), (23961, 855376), (27146, 755016), (27384, 748454), (28371, 722416), (31024, 660639), (31459, 651504), (31948, 641532), (32424, 632114), (37828, 541812), (40719, 503344), (45151, 453936), (46536, 440426), (47922, 427688), (53461, 383376), (54292, 377508), (54768, 374227), (56742, 361208), (62918, 325752), (63896, 320766), (64848, 316057), (75656, 270906), (81438, 251672), (90302, 226968), (93072, 220213), (94377, 217168), (95844, 213844), (106922, 191688), (108584, 188754), (113484, 180604), (125836, 162876), (127792, 160383), (135453, 151312)]