20041024

素因数分解:

$2^6\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1142

約数の個数: 28

約数和(自身を含む): 39912544

約数和(自身を除く): 19871520

約数列:

[1, 2, 4, 8, 16, 32, 64, 487, 643, 974, 1286, 1948, 2572, 3896, 5144, 7792, 10288, 15584, 20576, 31168, 41152, 313141, 626282, 1252564, 2505128, 5010256, 10020512, 20041024]

約数ペア:

[(1, 20041024), (2, 10020512), (4, 5010256), (8, 2505128), (16, 1252564), (32, 626282), (64, 313141), (487, 41152), (643, 31168), (974, 20576), (1286, 15584), (1948, 10288), (2572, 7792), (3896, 5144)]