20208994564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{280229}}^1$

素因数の和:280404

約数の個数: 36

約数和(自身を含む): 39134119500

約数和(自身を除く): 18925124936

約数列:

[1, 2, 4, 11, 22, 44, 121, 149, 242, 298, 484, 596, 1639, 3278, 6556, 18029, 36058, 72116, 280229, 560458, 1120916, 3082519, 6165038, 12330076, 33907709, 41754121, 67815418, 83508242, 135630836, 167016484, 459295331, 918590662, 1837181324, 5052248641, 10104497282, 20208994564]

約数ペア:

[(1, 20208994564), (2, 10104497282), (4, 5052248641), (11, 1837181324), (22, 918590662), (44, 459295331), (121, 167016484), (149, 135630836), (242, 83508242), (298, 67815418), (484, 41754121), (596, 33907709), (1639, 12330076), (3278, 6165038), (6556, 3082519), (18029, 1120916), (36058, 560458), (72116, 280229)]