20690564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5741}}^1$

素因数の和:5815

約数の個数: 24

約数和(自身を含む): 39068568

約数和(自身を除く): 18378004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5741, 11482, 22964, 97597, 195194, 304273, 390388, 608546, 1217092, 5172641, 10345282, 20690564]

約数ペア:

[(1, 20690564), (2, 10345282), (4, 5172641), (17, 1217092), (34, 608546), (53, 390388), (68, 304273), (106, 195194), (212, 97597), (901, 22964), (1802, 11482), (3604, 5741)]