20778237536

素因数分解:

$2^5\times 7^3\times {\mathrm{23}}^1\times {\mathrm{82307}}^1$

素因数の和:82361

約数の個数: 96

約数和(自身を含む): 49779878400

約数和(自身を除く): 29001640864

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 343, 368, 392, 644, 686, 736, 784, 1127, 1288, 1372, 1568, 2254, 2576, 2744, 4508, 5152, 5488, 7889, 9016, 10976, 15778, 18032, 31556, 36064, 63112, 82307, 126224, 164614, 252448, 329228, 576149, 658456, 1152298, 1316912, 1893061, 2304596, 2633824, 3786122, 4033043, 4609192, 7572244, 8066086, 9218384, 13251427, 15144488, 16132172, 18436768, 26502854, 28231301, 30288976, 32264344, 53005708, 56462602, 60577952, 64528688, 92759989, 106011416, 112925204, 129057376, 185519978, 212022832, 225850408, 371039956, 424045664, 451700816, 649319923, 742079912, 903401632, 1298639846, 1484159824, 2597279692, 2968319648, 5194559384, 10389118768, 20778237536]

約数ペア:

[(1, 20778237536), (2, 10389118768), (4, 5194559384), (7, 2968319648), (8, 2597279692), (14, 1484159824), (16, 1298639846), (23, 903401632), (28, 742079912), (32, 649319923), (46, 451700816), (49, 424045664), (56, 371039956), (92, 225850408), (98, 212022832), (112, 185519978), (161, 129057376), (184, 112925204), (196, 106011416), (224, 92759989), (322, 64528688), (343, 60577952), (368, 56462602), (392, 53005708), (644, 32264344), (686, 30288976), (736, 28231301), (784, 26502854), (1127, 18436768), (1288, 16132172), (1372, 15144488), (1568, 13251427), (2254, 9218384), (2576, 8066086), (2744, 7572244), (4508, 4609192), (5152, 4033043), (5488, 3786122), (7889, 2633824), (9016, 2304596), (10976, 1893061), (15778, 1316912), (18032, 1152298), (31556, 658456), (36064, 576149), (63112, 329228), (82307, 252448), (126224, 164614)]