20689096428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 864

約数和(自身を含む): 77428216320

約数和(自身を除く): 56739119892

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 19, 21, 22, 26, 28, 33, 36, 38, 39, 41, 42, 44, 52, 57, 63, 66, 67, 76, 77, 78, 82, 84, 91, 99, 114, 117, 121, 123, 126, 132, 133, 134, 143, 154, 156, 164, 171, 182, 198, 201, 209, 228, 231, 234, 242, 246, 247, 252, 266, 268, 273, 286, 287, 308, 342, 363, 364, 369, 396, 399, 402, 418, 429, 451, 462, 468, 469, 484, 492, 494, 532, 533, 546, 572, 574, 603, 627, 684, 693, 726, 737, 738, 741, 779, 798, 804, 819, 836, 847, 858, 861, 871, 902, 924, 938, 988, 1001, 1066, 1089, 1092, 1148, 1197, 1206, 1254, 1273, 1287, 1353, 1386, 1407, 1452, 1463, 1474, 1476, 1482, 1558, 1573, 1596, 1599, 1638, 1694, 1716, 1722, 1729, 1742, 1804, 1876, 1881, 2002, 2132, 2178, 2211, 2223, 2299, 2337, 2394, 2412, 2508, 2541, 2546, 2574, 2583, 2613, 2706, 2717, 2747, 2772, 2814, 2926, 2948, 2964, 3003, 3116, 3146, 3157, 3198, 3276, 3388, 3444, 3458, 3484, 3731, 3762, 3819, 4004, 4059, 4221, 4356, 4389, 4422, 4446, 4598, 4674, 4719, 4788, 4797, 4961, 5082, 5092, 5148, 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1255254, 1264692, 1269114, 1274273, 1276002, 1285596, 1319626, 1329548, 1336764, 1354353, 1357018, 1386297, 1390116, 1461404, 1475474, 1477476, 1499862, 1559558, 1571284, 1638351, 1696662, 1722369, 1764378, 1805804, 1848396, 1878948, 1882881, 1897038, 1903671, 1979439, 1994322, 2002429, 2005146, 2035527, 2042964, 2085174, 2156462, 2159388, 2184468, 2192106, 2213211, 2249793, 2296492, 2321748, 2326709, 2339337, 2356926, 2414412, 2450734, 2510508, 2538228, 2548546, 2552004, 2639252, 2708706, 2714036, 2749747, 2772594, 2950948, 2991483, 2999724, 3119116, 3234693, 3276702, 3288159, 3393324, 3444738, 3528756, 3535389, 3676101, 3765762, 3794076, 3807342, 3822819, 3958878, 3988644, 4004858, 4010292, 4018861, 4063059, 4071054, 4170348, 4312924, 4321031, 4384212, 4426422, 4499586, 4653418, 4678674, 4713852, 4749563, 4901468, 5097092, 5167107, 5417412, 5499494, 5545188, 5938317, 5982966, 6007287, 6106581, 6315353, 6469386, 6553404, 6576318, 6639633, 6889476, 6980127, 7018011, 7070778, 7352202, 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約数ペア:

[(1, 20689096428), (2, 10344548214), (3, 6896365476), (4, 5172274107), (6, 3448182738), (7, 2955585204), (9, 2298788492), (11, 1880826948), (12, 1724091369), (13, 1591468956), (14, 1477792602), (18, 1149394246), (19, 1088899812), (21, 985195068), (22, 940413474), (26, 795734478), (28, 738896301), (33, 626942316), (36, 574697123), (38, 544449906), (39, 530489652), (41, 504612108), (42, 492597534), (44, 470206737), (52, 397867239), (57, 362966604), (63, 328398356), (66, 313471158), (67, 308792484), (76, 272224953), (77, 268689564), (78, 265244826), (82, 252306054), (84, 246298767), (91, 227352708), (99, 208980772), (114, 181483302), (117, 176829884), (121, 170984268), (123, 168204036), (126, 164199178), (132, 156735579), (133, 155557116), (134, 154396242), (143, 144678996), (154, 134344782), (156, 132622413), (164, 126153027), (171, 120988868), (182, 113676354), (198, 104490386), (201, 102930828), (209, 98990892), (228, 90741651), (231, 89563188), (234, 88414942), (242, 85492134), (246, 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