20287974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{733}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 46506240

約数和(自身を除く): 26218266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 659, 733, 1318, 1466, 1977, 2199, 3954, 4398, 4613, 5131, 9226, 10262, 13839, 15393, 27678, 30786, 483047, 966094, 1449141, 2898282, 3381329, 6762658, 10143987, 20287974]

約数ペア:

[(1, 20287974), (2, 10143987), (3, 6762658), (6, 3381329), (7, 2898282), (14, 1449141), (21, 966094), (42, 483047), (659, 30786), (733, 27678), (1318, 15393), (1466, 13839), (1977, 10262), (2199, 9226), (3954, 5131), (4398, 4613)]