20351452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5197}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 39296880

約数和(自身を除く): 18945428

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5197, 10394, 20788, 57167, 114334, 228668, 462533, 925066, 1850132, 5087863, 10175726, 20351452]

約数ペア:

[(1, 20351452), (2, 10175726), (4, 5087863), (11, 1850132), (22, 925066), (44, 462533), (89, 228668), (178, 114334), (356, 57167), (979, 20788), (1958, 10394), (3916, 5197)]