20190554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4903}}^1$

素因数の和:5005

約数の個数: 16

約数和(自身を含む): 31777920

約数和(自身を除く): 11587366

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4903, 9806, 142187, 284374, 348113, 696226, 10095277, 20190554]

約数ペア:

[(1, 20190554), (2, 10095277), (29, 696226), (58, 348113), (71, 284374), (142, 142187), (2059, 9806), (4118, 4903)]