20926033557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{687023}}^1$

素因数の和:687121

約数の個数: 32

約数和(自身を含む): 33240969216

約数和(自身を除く): 12314935659

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 2343, 2769, 10153, 30459, 687023, 2061069, 7557253, 8931299, 22671759, 26793897, 48778633, 98244289, 146335899, 294732867, 536564963, 634122229, 1609694889, 1902366687, 6975344519, 20926033557]

約数ペア:

[(1, 20926033557), (3, 6975344519), (11, 1902366687), (13, 1609694889), (33, 634122229), (39, 536564963), (71, 294732867), (143, 146335899), (213, 98244289), (429, 48778633), (781, 26793897), (923, 22671759), (2343, 8931299), (2769, 7557253), (10153, 2061069), (30459, 687023)]