20577512

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28901}}^1$

素因数の和:28996

約数の個数: 16

約数和(自身を含む): 39017700

約数和(自身を除く): 18440188

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28901, 57802, 115604, 231208, 2572189, 5144378, 10288756, 20577512]

約数ペア:

[(1, 20577512), (2, 10288756), (4, 5144378), (8, 2572189), (89, 231208), (178, 115604), (356, 57802), (712, 28901)]