20678952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 59834880

約数和(自身を除く): 39155928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 83, 84, 166, 168, 249, 332, 498, 581, 664, 996, 1162, 1483, 1743, 1992, 2324, 2966, 3486, 4449, 4648, 5932, 6972, 8898, 10381, 11864, 13944, 17796, 20762, 31143, 35592, 41524, 62286, 83048, 123089, 124572, 246178, 249144, 369267, 492356, 738534, 861623, 984712, 1477068, 1723246, 2584869, 2954136, 3446492, 5169738, 6892984, 10339476, 20678952]

約数ペア:

[(1, 20678952), (2, 10339476), (3, 6892984), (4, 5169738), (6, 3446492), (7, 2954136), (8, 2584869), (12, 1723246), (14, 1477068), (21, 984712), (24, 861623), (28, 738534), (42, 492356), (56, 369267), (83, 249144), (84, 246178), (166, 124572), (168, 123089), (249, 83048), (332, 62286), (498, 41524), (581, 35592), (664, 31143), (996, 20762), (1162, 17796), (1483, 13944), (1743, 11864), (1992, 10381), (2324, 8898), (2966, 6972), (3486, 5932), (4449, 4648)]