20456312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134581}}^1$

素因数の和:134606

約数の個数: 16

約数和(自身を含む): 40374600

約数和(自身を除く): 19918288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134581, 269162, 538324, 1076648, 2557039, 5114078, 10228156, 20456312]

約数ペア:

[(1, 20456312), (2, 10228156), (4, 5114078), (8, 2557039), (19, 1076648), (38, 538324), (76, 269162), (152, 134581)]