20126638

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 16031762

約数列:

[1, 2, 7, 14, 29, 58, 89, 178, 203, 406, 557, 623, 1114, 1246, 2581, 3899, 5162, 7798, 16153, 18067, 32306, 36134, 49573, 99146, 113071, 226142, 347011, 694022, 1437617, 2875234, 10063319, 20126638]

約数ペア:

[(1, 20126638), (2, 10063319), (7, 2875234), (14, 1437617), (29, 694022), (58, 347011), (89, 226142), (178, 113071), (203, 99146), (406, 49573), (557, 36134), (623, 32306), (1114, 18067), (1246, 16153), (2581, 7798), (3899, 5162)]