20003478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24812202

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 121, 177, 242, 354, 363, 467, 649, 726, 934, 1298, 1401, 1947, 2802, 3894, 5137, 7139, 10274, 14278, 15411, 21417, 27553, 30822, 42834, 55106, 56507, 82659, 113014, 165318, 169521, 303083, 339042, 606166, 909249, 1818498, 3333913, 6667826, 10001739, 20003478]

約数ペア:

[(1, 20003478), (2, 10001739), (3, 6667826), (6, 3333913), (11, 1818498), (22, 909249), (33, 606166), (59, 339042), (66, 303083), (118, 169521), (121, 165318), (177, 113014), (242, 82659), (354, 56507), (363, 55106), (467, 42834), (649, 30822), (726, 27553), (934, 21417), (1298, 15411), (1401, 14278), (1947, 10274), (2802, 7139), (3894, 5137)]