20001164

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 36229200

約数和(自身を除く): 16228036

約数列:

[1, 2, 4, 37, 74, 148, 149, 298, 596, 907, 1814, 3628, 5513, 11026, 22052, 33559, 67118, 134236, 135143, 270286, 540572, 5000291, 10000582, 20001164]

約数ペア:

[(1, 20001164), (2, 10000582), (4, 5000291), (37, 540572), (74, 270286), (148, 135143), (149, 134236), (298, 67118), (596, 33559), (907, 22052), (1814, 11026), (3628, 5513)]