20808637508

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{1861}}^1\times {\mathrm{33679}}^1$

素因数の和:35627

約数の個数: 24

約数和(自身を含む): 36874750080

約数和(自身を除く): 16066112572

約数列:

[1, 2, 4, 83, 166, 332, 1861, 3722, 7444, 33679, 67358, 134716, 154463, 308926, 617852, 2795357, 5590714, 11181428, 62676619, 125353238, 250706476, 5202159377, 10404318754, 20808637508]

約数ペア:

[(1, 20808637508), (2, 10404318754), (4, 5202159377), (83, 250706476), (166, 125353238), (332, 62676619), (1861, 11181428), (3722, 5590714), (7444, 2795357), (33679, 617852), (67358, 308926), (134716, 154463)]