20447476

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23557}}^1$

素因数の和:23599

約数の個数: 24

約数和(自身を含む): 42215936

約数和(自身を除く): 21768460

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23557, 47114, 94228, 164899, 329798, 659596, 730267, 1460534, 2921068, 5111869, 10223738, 20447476]

約数ペア:

[(1, 20447476), (2, 10223738), (4, 5111869), (7, 2921068), (14, 1460534), (28, 730267), (31, 659596), (62, 329798), (124, 164899), (217, 94228), (434, 47114), (868, 23557)]