20928877772

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{619}}^1\times {\mathrm{69857}}^1$

素因数の和:70502

約数の個数: 36

約数和(自身を含む): 40323434760

約数和(自身を除く): 19394556988

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 619, 1238, 2476, 6809, 13618, 27236, 69857, 74899, 139714, 149798, 279428, 299596, 768427, 1536854, 3073708, 8452697, 16905394, 33810788, 43241483, 86482966, 172965932, 475656313, 951312626, 1902625252, 5232219443, 10464438886, 20928877772]

約数ペア:

[(1, 20928877772), (2, 10464438886), (4, 5232219443), (11, 1902625252), (22, 951312626), (44, 475656313), (121, 172965932), (242, 86482966), (484, 43241483), (619, 33810788), (1238, 16905394), (2476, 8452697), (6809, 3073708), (13618, 1536854), (27236, 768427), (69857, 299596), (74899, 279428), (139714, 149798)]