20903973902

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36418073}}^1$

素因数の和:36418123

約数の個数: 16

約数和(自身を含む): 36709418592

約数和(自身を除く): 15805444690

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36418073, 72836146, 254926511, 509853022, 1493140993, 2986281986, 10451986951, 20903973902]

約数ペア:

[(1, 20903973902), (2, 10451986951), (7, 2986281986), (14, 1493140993), (41, 509853022), (82, 254926511), (287, 72836146), (574, 36418073)]