20407534

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2267}}^1$

素因数の和:2919

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 14646674

約数列:

[1, 2, 7, 14, 643, 1286, 2267, 4501, 4534, 9002, 15869, 31738, 1457681, 2915362, 10203767, 20407534]

約数ペア:

[(1, 20407534), (2, 10203767), (7, 2915362), (14, 1457681), (643, 31738), (1286, 15869), (2267, 9002), (4501, 4534)]