20334868

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 36235584

約数和(自身を除く): 15900716

約数列:

[1, 2, 4, 131, 151, 257, 262, 302, 514, 524, 604, 1028, 19781, 33667, 38807, 39562, 67334, 77614, 79124, 134668, 155228, 5083717, 10167434, 20334868]

約数ペア:

[(1, 20334868), (2, 10167434), (4, 5083717), (131, 155228), (151, 134668), (257, 79124), (262, 77614), (302, 67334), (514, 39562), (524, 38807), (604, 33667), (1028, 19781)]