20278636

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1613}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 40672800

約数和(自身を除く): 20394164

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1613, 1796, 3143, 3226, 6286, 6452, 11291, 12572, 22582, 45164, 724237, 1448474, 2896948, 5069659, 10139318, 20278636]

約数ペア:

[(1, 20278636), (2, 10139318), (4, 5069659), (7, 2896948), (14, 1448474), (28, 724237), (449, 45164), (898, 22582), (1613, 12572), (1796, 11291), (3143, 6452), (3226, 6286)]