20105544963

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2767}}^1\times {\mathrm{18211}}^1$

素因数の和:21007

約数の個数: 32

約数和(自身を含む): 32262922240

約数和(自身を除く): 12157377277

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2767, 8301, 18211, 19369, 52573, 54633, 58107, 127477, 157719, 346009, 368011, 382431, 1038027, 1104033, 2422063, 7266189, 50389837, 151169511, 352728859, 957406903, 1058186577, 2872220709, 6701848321, 20105544963]

約数ペア:

[(1, 20105544963), (3, 6701848321), (7, 2872220709), (19, 1058186577), (21, 957406903), (57, 352728859), (133, 151169511), (399, 50389837), (2767, 7266189), (8301, 2422063), (18211, 1104033), (19369, 1038027), (52573, 382431), (54633, 368011), (58107, 346009), (127477, 157719)]