20897946

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{9439}}^1$

素因数の和:9491

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 26679654

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9439, 18878, 28317, 56634, 84951, 169902, 254853, 386999, 509706, 773998, 1160997, 2321994, 3482991, 6965982, 10448973, 20897946]

約数ペア:

[(1, 20897946), (2, 10448973), (3, 6965982), (6, 3482991), (9, 2321994), (18, 1160997), (27, 773998), (41, 509706), (54, 386999), (82, 254853), (123, 169902), (246, 84951), (369, 56634), (738, 28317), (1107, 18878), (2214, 9439)]