20870652

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 54375552

約数和(自身を除く): 33504900

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3677, 5676, 7354, 11031, 14708, 22062, 40447, 44124, 80894, 121341, 158111, 161788, 242682, 316222, 474333, 485364, 632444, 948666, 1739221, 1897332, 3478442, 5217663, 6956884, 10435326, 20870652]

約数ペア:

[(1, 20870652), (2, 10435326), (3, 6956884), (4, 5217663), (6, 3478442), (11, 1897332), (12, 1739221), (22, 948666), (33, 632444), (43, 485364), (44, 474333), (66, 316222), (86, 242682), (129, 161788), (132, 158111), (172, 121341), (258, 80894), (473, 44124), (516, 40447), (946, 22062), (1419, 14708), (1892, 11031), (2838, 7354), (3677, 5676)]