20149194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 45114624

約数和(自身を除く): 24965430

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 641, 806, 1014, 1209, 1282, 1923, 2418, 3846, 5239, 8333, 10478, 15717, 16666, 19871, 24999, 31434, 39742, 49998, 59613, 108329, 119226, 216658, 258323, 324987, 516646, 649974, 774969, 1549938, 3358199, 6716398, 10074597, 20149194]

約数ペア:

[(1, 20149194), (2, 10074597), (3, 6716398), (6, 3358199), (13, 1549938), (26, 774969), (31, 649974), (39, 516646), (62, 324987), (78, 258323), (93, 216658), (169, 119226), (186, 108329), (338, 59613), (403, 49998), (507, 39742), (641, 31434), (806, 24999), (1014, 19871), (1209, 16666), (1282, 15717), (1923, 10478), (2418, 8333), (3846, 5239)]