20210736

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 120

約数和(自身を含む): 65506224

約数和(自身を除く): 45295488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 661, 728, 784, 1092, 1176, 1274, 1322, 1456, 1911, 1983, 2184, 2352, 2548, 2644, 3822, 3966, 4368, 4627, 5096, 5288, 7644, 7932, 8593, 9254, 10192, 10576, 13881, 15288, 15864, 17186, 18508, 25779, 27762, 30576, 31728, 32389, 34372, 37016, 51558, 55524, 60151, 64778, 68744, 74032, 97167, 103116, 111048, 120302, 129556, 137488, 180453, 194334, 206232, 222096, 240604, 259112, 360906, 388668, 412464, 421057, 481208, 518224, 721812, 777336, 842114, 962416, 1263171, 1443624, 1554672, 1684228, 2526342, 2887248, 3368456, 5052684, 6736912, 10105368, 20210736]

約数ペア:

[(1, 20210736), (2, 10105368), (3, 6736912), (4, 5052684), (6, 3368456), (7, 2887248), (8, 2526342), (12, 1684228), (13, 1554672), (14, 1443624), (16, 1263171), (21, 962416), (24, 842114), (26, 777336), (28, 721812), (39, 518224), (42, 481208), (48, 421057), (49, 412464), (52, 388668), (56, 360906), (78, 259112), (84, 240604), (91, 222096), (98, 206232), (104, 194334), (112, 180453), (147, 137488), (156, 129556), (168, 120302), (182, 111048), (196, 103116), (208, 97167), (273, 74032), (294, 68744), (312, 64778), (336, 60151), (364, 55524), (392, 51558), (546, 37016), (588, 34372), (624, 32389), (637, 31728), (661, 30576), (728, 27762), (784, 25779), (1092, 18508), (1176, 17186), (1274, 15864), (1322, 15288), (1456, 13881), (1911, 10576), (1983, 10192), (2184, 9254), (2352, 8593), (2548, 7932), (2644, 7644), (3822, 5288), (3966, 5096), (4368, 4627)]