20213662185

素因数分解:

$3^5\times 5^1\times {\mathrm{827}}^1\times {\mathrm{20117}}^1$

素因数の和:20964

約数の個数: 48

約数和(自身を含む): 36380425536

約数和(自身を除く): 16166763351

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 827, 1215, 2481, 4135, 7443, 12405, 20117, 22329, 37215, 60351, 66987, 100585, 111645, 181053, 200961, 301755, 334935, 543159, 905265, 1004805, 1629477, 2715795, 4888431, 8147385, 16636759, 24442155, 49910277, 83183795, 149730831, 249551385, 449192493, 748654155, 1347577479, 2245962465, 4042732437, 6737887395, 20213662185]

約数ペア:

[(1, 20213662185), (3, 6737887395), (5, 4042732437), (9, 2245962465), (15, 1347577479), (27, 748654155), (45, 449192493), (81, 249551385), (135, 149730831), (243, 83183795), (405, 49910277), (827, 24442155), (1215, 16636759), (2481, 8147385), (4135, 4888431), (7443, 2715795), (12405, 1629477), (20117, 1004805), (22329, 905265), (37215, 543159), (60351, 334935), (66987, 301755), (100585, 200961), (111645, 181053)]