20309712

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13649}}^1$

素因数の和:13691

約数の個数: 40

約数和(自身を含む): 54163200

約数和(自身を除く): 33853488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13649, 27298, 40947, 54596, 81894, 109192, 163788, 218384, 327576, 423119, 655152, 846238, 1269357, 1692476, 2538714, 3384952, 5077428, 6769904, 10154856, 20309712]

約数ペア:

[(1, 20309712), (2, 10154856), (3, 6769904), (4, 5077428), (6, 3384952), (8, 2538714), (12, 1692476), (16, 1269357), (24, 846238), (31, 655152), (48, 423119), (62, 327576), (93, 218384), (124, 163788), (186, 109192), (248, 81894), (372, 54596), (496, 40947), (744, 27298), (1488, 13649)]