20942908

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1487}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 41997312

約数和(自身を除く): 21054404

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 1487, 2012, 2974, 3521, 5948, 7042, 10409, 14084, 20818, 41636, 747961, 1495922, 2991844, 5235727, 10471454, 20942908]

約数ペア:

[(1, 20942908), (2, 10471454), (4, 5235727), (7, 2991844), (14, 1495922), (28, 747961), (503, 41636), (1006, 20818), (1487, 14084), (2012, 10409), (2974, 7042), (3521, 5948)]