20582172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 59950800

約数和(自身を除く): 39368628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 169, 199, 204, 221, 234, 306, 338, 398, 442, 468, 507, 597, 612, 663, 676, 796, 884, 1014, 1194, 1326, 1521, 1791, 1989, 2028, 2388, 2587, 2652, 2873, 3042, 3383, 3582, 3978, 5174, 5746, 6084, 6766, 7164, 7761, 7956, 8619, 10149, 10348, 11492, 13532, 15522, 17238, 20298, 23283, 25857, 30447, 31044, 33631, 34476, 40596, 43979, 46566, 51714, 60894, 67262, 87958, 93132, 100893, 103428, 121788, 131937, 134524, 175916, 201786, 263874, 302679, 395811, 403572, 527748, 571727, 605358, 791622, 1143454, 1210716, 1583244, 1715181, 2286908, 3430362, 5145543, 6860724, 10291086, 20582172]

約数ペア:

[(1, 20582172), (2, 10291086), (3, 6860724), (4, 5145543), (6, 3430362), (9, 2286908), (12, 1715181), (13, 1583244), (17, 1210716), (18, 1143454), (26, 791622), (34, 605358), (36, 571727), (39, 527748), (51, 403572), (52, 395811), (68, 302679), (78, 263874), (102, 201786), (117, 175916), (153, 134524), (156, 131937), (169, 121788), (199, 103428), (204, 100893), (221, 93132), (234, 87958), (306, 67262), (338, 60894), (398, 51714), (442, 46566), (468, 43979), (507, 40596), (597, 34476), (612, 33631), (663, 31044), (676, 30447), (796, 25857), (884, 23283), (1014, 20298), (1194, 17238), (1326, 15522), (1521, 13532), (1791, 11492), (1989, 10348), (2028, 10149), (2388, 8619), (2587, 7956), (2652, 7761), (2873, 7164), (3042, 6766), (3383, 6084), (3582, 5746), (3978, 5174)]