20424228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 31830492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 359, 431, 718, 862, 1077, 1293, 1436, 1724, 2154, 2586, 3949, 4308, 4741, 5172, 7898, 9482, 11847, 14223, 15796, 18964, 23694, 28446, 47388, 56892, 154729, 309458, 464187, 618916, 928374, 1702019, 1856748, 3404038, 5106057, 6808076, 10212114, 20424228]

約数ペア:

[(1, 20424228), (2, 10212114), (3, 6808076), (4, 5106057), (6, 3404038), (11, 1856748), (12, 1702019), (22, 928374), (33, 618916), (44, 464187), (66, 309458), (132, 154729), (359, 56892), (431, 47388), (718, 28446), (862, 23694), (1077, 18964), (1293, 15796), (1436, 14223), (1724, 11847), (2154, 9482), (2586, 7898), (3949, 5172), (4308, 4741)]