20157638397

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{24767}}^1$

素因数の和:25333

約数の個数: 32

約数和(自身を含む): 29709711360

約数和(自身を除く): 9552072963

約数列:

[1, 3, 13, 39, 41, 123, 509, 533, 1527, 1599, 6617, 19851, 20869, 24767, 62607, 74301, 271297, 321971, 813891, 965913, 1015447, 3046341, 12606403, 13200811, 37819209, 39602433, 163883239, 491649717, 516862523, 1550587569, 6719212799, 20157638397]

約数ペア:

[(1, 20157638397), (3, 6719212799), (13, 1550587569), (39, 516862523), (41, 491649717), (123, 163883239), (509, 39602433), (533, 37819209), (1527, 13200811), (1599, 12606403), (6617, 3046341), (19851, 1015447), (20869, 965913), (24767, 813891), (62607, 321971), (74301, 271297)]