20527416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 69086160

約数和(自身を除く): 48558744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 234, 241, 252, 273, 312, 338, 364, 468, 482, 504, 507, 546, 676, 723, 728, 819, 936, 964, 1014, 1092, 1183, 1352, 1446, 1521, 1638, 1687, 1928, 2028, 2169, 2184, 2366, 2892, 3042, 3133, 3276, 3374, 3549, 4056, 4338, 4732, 5061, 5784, 6084, 6266, 6552, 6748, 7098, 8676, 9399, 9464, 10122, 10647, 12168, 12532, 13496, 14196, 15183, 17352, 18798, 20244, 21294, 21931, 25064, 28197, 28392, 30366, 37596, 40488, 40729, 42588, 43862, 56394, 60732, 65793, 75192, 81458, 85176, 87724, 112788, 121464, 122187, 131586, 162916, 175448, 197379, 225576, 244374, 263172, 285103, 325832, 366561, 394758, 488748, 526344, 570206, 733122, 789516, 855309, 977496, 1140412, 1466244, 1579032, 1710618, 2280824, 2565927, 2932488, 3421236, 5131854, 6842472, 10263708, 20527416]

約数ペア:

[(1, 20527416), (2, 10263708), (3, 6842472), (4, 5131854), (6, 3421236), (7, 2932488), (8, 2565927), (9, 2280824), (12, 1710618), (13, 1579032), (14, 1466244), (18, 1140412), (21, 977496), (24, 855309), (26, 789516), (28, 733122), (36, 570206), (39, 526344), (42, 488748), (52, 394758), (56, 366561), (63, 325832), (72, 285103), (78, 263172), (84, 244374), (91, 225576), (104, 197379), (117, 175448), (126, 162916), (156, 131586), (168, 122187), (169, 121464), (182, 112788), (234, 87724), (241, 85176), (252, 81458), (273, 75192), (312, 65793), (338, 60732), (364, 56394), (468, 43862), (482, 42588), (504, 40729), (507, 40488), (546, 37596), (676, 30366), (723, 28392), (728, 28197), (819, 25064), (936, 21931), (964, 21294), (1014, 20244), (1092, 18798), (1183, 17352), (1352, 15183), (1446, 14196), (1521, 13496), (1638, 12532), (1687, 12168), (1928, 10647), (2028, 10122), (2169, 9464), (2184, 9399), (2366, 8676), (2892, 7098), (3042, 6748), (3133, 6552), (3276, 6266), (3374, 6084), (3549, 5784), (4056, 5061), (4338, 4732)]