20715008

素因数分解:

$2^9\times {\mathrm{40459}}^1$

素因数の和:40477

約数の個数: 20

約数和(自身を含む): 41390580

約数和(自身を除く): 20675572

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40459, 80918, 161836, 323672, 647344, 1294688, 2589376, 5178752, 10357504, 20715008]

約数ペア:

[(1, 20715008), (2, 10357504), (4, 5178752), (8, 2589376), (16, 1294688), (32, 647344), (64, 323672), (128, 161836), (256, 80918), (512, 40459)]