20892456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 65517660

約数和(自身を除く): 44625204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 101, 102, 104, 117, 136, 153, 156, 169, 202, 204, 221, 234, 303, 306, 312, 338, 404, 408, 442, 468, 507, 606, 612, 663, 676, 808, 884, 909, 936, 1014, 1212, 1224, 1313, 1326, 1352, 1521, 1717, 1768, 1818, 1989, 2028, 2424, 2626, 2652, 2873, 3042, 3434, 3636, 3939, 3978, 4056, 5151, 5252, 5304, 5746, 6084, 6868, 7272, 7878, 7956, 8619, 10302, 10504, 11492, 11817, 12168, 13736, 15453, 15756, 15912, 17069, 17238, 20604, 22321, 22984, 23634, 25857, 30906, 31512, 34138, 34476, 41208, 44642, 47268, 51207, 51714, 61812, 66963, 68276, 68952, 89284, 94536, 102414, 103428, 123624, 133926, 136552, 153621, 178568, 200889, 204828, 206856, 267852, 290173, 307242, 401778, 409656, 535704, 580346, 614484, 803556, 870519, 1160692, 1228968, 1607112, 1741038, 2321384, 2611557, 3482076, 5223114, 6964152, 10446228, 20892456]

約数ペア:

[(1, 20892456), (2, 10446228), (3, 6964152), (4, 5223114), (6, 3482076), (8, 2611557), (9, 2321384), (12, 1741038), (13, 1607112), (17, 1228968), (18, 1160692), (24, 870519), (26, 803556), (34, 614484), (36, 580346), (39, 535704), (51, 409656), (52, 401778), (68, 307242), (72, 290173), (78, 267852), (101, 206856), (102, 204828), (104, 200889), (117, 178568), (136, 153621), (153, 136552), (156, 133926), (169, 123624), (202, 103428), (204, 102414), (221, 94536), (234, 89284), (303, 68952), (306, 68276), (312, 66963), (338, 61812), (404, 51714), (408, 51207), (442, 47268), (468, 44642), (507, 41208), (606, 34476), (612, 34138), (663, 31512), (676, 30906), (808, 25857), (884, 23634), (909, 22984), (936, 22321), (1014, 20604), (1212, 17238), (1224, 17069), (1313, 15912), (1326, 15756), (1352, 15453), (1521, 13736), (1717, 12168), (1768, 11817), (1818, 11492), (1989, 10504), (2028, 10302), (2424, 8619), (2626, 7956), (2652, 7878), (2873, 7272), (3042, 6868), (3434, 6084), (3636, 5746), (3939, 5304), (3978, 5252), (4056, 5151)]