20576912

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2459}}^1$

素因数の和:2990

約数の個数: 20

約数和(自身を含む): 39960240

約数和(自身を除く): 19383328

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2459, 4184, 4918, 8368, 9836, 19672, 39344, 1286057, 2572114, 5144228, 10288456, 20576912]

約数ペア:

[(1, 20576912), (2, 10288456), (4, 5144228), (8, 2572114), (16, 1286057), (523, 39344), (1046, 19672), (2092, 9836), (2459, 8368), (4184, 4918)]