20521730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50053}}^1$

素因数の和:50101

約数の個数: 16

約数和(自身を含む): 37840824

約数和(自身を除く): 17319094

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50053, 100106, 250265, 500530, 2052173, 4104346, 10260865, 20521730]

約数ペア:

[(1, 20521730), (2, 10260865), (5, 4104346), (10, 2052173), (41, 500530), (82, 250265), (205, 100106), (410, 50053)]