20640302

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6803}}^1$

素因数の和:6883

約数の個数: 16

約数和(自身を含む): 32577552

約数和(自身を除く): 11937250

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 6803, 13606, 251711, 278923, 503422, 557846, 10320151, 20640302]

約数ペア:

[(1, 20640302), (2, 10320151), (37, 557846), (41, 503422), (74, 278923), (82, 251711), (1517, 13606), (3034, 6803)]