20792492

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10459}}^1$

素因数の和:10541

約数の個数: 24

約数和(自身を含む): 42174720

約数和(自身を除く): 21382228

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10459, 20918, 41836, 73213, 146426, 292852, 742589, 1485178, 2970356, 5198123, 10396246, 20792492]

約数ペア:

[(1, 20792492), (2, 10396246), (4, 5198123), (7, 2970356), (14, 1485178), (28, 742589), (71, 292852), (142, 146426), (284, 73213), (497, 41836), (994, 20918), (1988, 10459)]