15720054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{374287}}^1$

素因数の和:374299

約数の個数: 16

約数和(自身を含む): 35931648

約数和(自身を除く): 20211594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 374287, 748574, 1122861, 2245722, 2620009, 5240018, 7860027, 15720054]

約数ペア:

[(1, 15720054), (2, 7860027), (3, 5240018), (6, 2620009), (7, 2245722), (14, 1122861), (21, 748574), (42, 374287)]