20687535286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{641}}^1\times {\mathrm{691}}^1$

素因数の和:1549

約数の個数: 48

約数和(自身を含む): 34388699184

約数和(自身を除く): 13701163898

約数列:

[1, 2, 11, 22, 121, 193, 242, 386, 641, 691, 1282, 1382, 2123, 4246, 7051, 7601, 14102, 15202, 23353, 46706, 77561, 83611, 123713, 133363, 155122, 167222, 247426, 266726, 442931, 885862, 1360843, 1466993, 2721686, 2933986, 4872241, 9744482, 14969273, 16136923, 29938546, 32273846, 53594651, 85485683, 107189302, 170971366, 940342513, 1880685026, 10343767643, 20687535286]

約数ペア:

[(1, 20687535286), (2, 10343767643), (11, 1880685026), (22, 940342513), (121, 170971366), (193, 107189302), (242, 85485683), (386, 53594651), (641, 32273846), (691, 29938546), (1282, 16136923), (1382, 14969273), (2123, 9744482), (4246, 4872241), (7051, 2933986), (7601, 2721686), (14102, 1466993), (15202, 1360843), (23353, 885862), (46706, 442931), (77561, 266726), (83611, 247426), (123713, 167222), (133363, 155122)]