20445768

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 43576632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 113, 126, 168, 226, 252, 339, 359, 452, 504, 678, 718, 791, 904, 1017, 1077, 1356, 1436, 1582, 2034, 2154, 2373, 2513, 2712, 2872, 3164, 3231, 4068, 4308, 4746, 5026, 6328, 6462, 7119, 7539, 8136, 8616, 9492, 10052, 12924, 14238, 15078, 18984, 20104, 22617, 25848, 28476, 30156, 40567, 45234, 56952, 60312, 81134, 90468, 121701, 162268, 180936, 243402, 283969, 324536, 365103, 486804, 567938, 730206, 851907, 973608, 1135876, 1460412, 1703814, 2271752, 2555721, 2920824, 3407628, 5111442, 6815256, 10222884, 20445768]

約数ペア:

[(1, 20445768), (2, 10222884), (3, 6815256), (4, 5111442), (6, 3407628), (7, 2920824), (8, 2555721), (9, 2271752), (12, 1703814), (14, 1460412), (18, 1135876), (21, 973608), (24, 851907), (28, 730206), (36, 567938), (42, 486804), (56, 365103), (63, 324536), (72, 283969), (84, 243402), (113, 180936), (126, 162268), (168, 121701), (226, 90468), (252, 81134), (339, 60312), (359, 56952), (452, 45234), (504, 40567), (678, 30156), (718, 28476), (791, 25848), (904, 22617), (1017, 20104), (1077, 18984), (1356, 15078), (1436, 14238), (1582, 12924), (2034, 10052), (2154, 9492), (2373, 8616), (2513, 8136), (2712, 7539), (2872, 7119), (3164, 6462), (3231, 6328), (4068, 5026), (4308, 4746)]