20930828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19711732

約数列:

[1, 2, 4, 23, 31, 41, 46, 62, 82, 92, 124, 164, 179, 358, 713, 716, 943, 1271, 1426, 1886, 2542, 2852, 3772, 4117, 5084, 5549, 7339, 8234, 11098, 14678, 16468, 22196, 29233, 29356, 58466, 116932, 127627, 168797, 227509, 255254, 337594, 455018, 510508, 675188, 910036, 5232707, 10465414, 20930828]

約数ペア:

[(1, 20930828), (2, 10465414), (4, 5232707), (23, 910036), (31, 675188), (41, 510508), (46, 455018), (62, 337594), (82, 255254), (92, 227509), (124, 168797), (164, 127627), (179, 116932), (358, 58466), (713, 29356), (716, 29233), (943, 22196), (1271, 16468), (1426, 14678), (1886, 11098), (2542, 8234), (2852, 7339), (3772, 5549), (4117, 5084)]