20744395

素因数分解:

$5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 29163024

約数和(自身を除く): 8418629

約数列:

[1, 5, 7, 35, 49, 227, 245, 373, 1135, 1589, 1865, 2611, 7945, 11123, 13055, 18277, 55615, 84671, 91385, 423355, 592697, 2963485, 4148879, 20744395]

約数ペア:

[(1, 20744395), (5, 4148879), (7, 2963485), (35, 592697), (49, 423355), (227, 91385), (245, 84671), (373, 55615), (1135, 18277), (1589, 13055), (1865, 11123), (2611, 7945)]