20047894

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1627}}^1$

素因数の和:1791

約数の個数: 16

約数和(自身を含む): 30886416

約数和(自身を除く): 10838522

約数列:

[1, 2, 61, 101, 122, 202, 1627, 3254, 6161, 12322, 99247, 164327, 198494, 328654, 10023947, 20047894]

約数ペア:

[(1, 20047894), (2, 10023947), (61, 328654), (101, 198494), (122, 164327), (202, 99247), (1627, 12322), (3254, 6161)]