20535138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 48362496

約数和(自身を除く): 27827358

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 234, 254, 381, 691, 762, 1143, 1382, 1651, 2073, 2286, 3302, 4146, 4953, 6219, 8983, 9906, 12438, 14859, 17966, 26949, 29718, 53898, 80847, 87757, 161694, 175514, 263271, 526542, 789813, 1140841, 1579626, 2281682, 3422523, 6845046, 10267569, 20535138]

約数ペア:

[(1, 20535138), (2, 10267569), (3, 6845046), (6, 3422523), (9, 2281682), (13, 1579626), (18, 1140841), (26, 789813), (39, 526542), (78, 263271), (117, 175514), (127, 161694), (234, 87757), (254, 80847), (381, 53898), (691, 29718), (762, 26949), (1143, 17966), (1382, 14859), (1651, 12438), (2073, 9906), (2286, 8983), (3302, 6219), (4146, 4953)]