20089069

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 28498176

約数和(自身を除く): 8409107

約数列:

[1, 7, 11, 13, 47, 49, 61, 77, 91, 143, 329, 427, 517, 539, 611, 637, 671, 793, 1001, 2303, 2867, 2989, 3619, 4277, 4697, 5551, 6721, 7007, 8723, 20069, 25333, 29939, 31537, 32879, 37271, 38857, 47047, 61061, 140483, 220759, 260897, 329329, 409981, 427427, 1545313, 1826279, 2869867, 20089069]

約数ペア:

[(1, 20089069), (7, 2869867), (11, 1826279), (13, 1545313), (47, 427427), (49, 409981), (61, 329329), (77, 260897), (91, 220759), (143, 140483), (329, 61061), (427, 47047), (517, 38857), (539, 37271), (611, 32879), (637, 31537), (671, 29939), (793, 25333), (1001, 20069), (2303, 8723), (2867, 7007), (2989, 6721), (3619, 5551), (4277, 4697)]