20707256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83497}}^1$

素因数の和:83534

約数の個数: 16

約数和(自身を含む): 40079040

約数和(自身を除く): 19371784

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83497, 166994, 333988, 667976, 2588407, 5176814, 10353628, 20707256]

約数ペア:

[(1, 20707256), (2, 10353628), (4, 5176814), (8, 2588407), (31, 667976), (62, 333988), (124, 166994), (248, 83497)]