20115777

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12232383

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1559, 4301, 4677, 12903, 17149, 26503, 35857, 51447, 79509, 107571, 291533, 394427, 609569, 874599, 1183281, 1828707, 6705259, 20115777]

約数ペア:

[(1, 20115777), (3, 6705259), (11, 1828707), (17, 1183281), (23, 874599), (33, 609569), (51, 394427), (69, 291533), (187, 107571), (253, 79509), (391, 51447), (561, 35857), (759, 26503), (1173, 17149), (1559, 12903), (4301, 4677)]