20187741477

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1\times {\mathrm{2909}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 28213125120

約数和(自身を除く): 8025383643

約数列:

[1, 3, 31, 71, 93, 213, 1051, 2201, 2909, 3153, 6603, 8727, 32581, 74621, 90179, 97743, 206539, 223863, 270537, 619617, 2313251, 3057359, 6402709, 6939753, 9172077, 19208127, 94778129, 217072489, 284334387, 651217467, 6729247159, 20187741477]

約数ペア:

[(1, 20187741477), (3, 6729247159), (31, 651217467), (71, 284334387), (93, 217072489), (213, 94778129), (1051, 19208127), (2201, 9172077), (2909, 6939753), (3153, 6402709), (6603, 3057359), (8727, 2313251), (32581, 619617), (74621, 270537), (90179, 223863), (97743, 206539)]