20197656871

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{5387}}^1$

素因数の和:6068

約数の個数: 32

約数和(自身を含む): 24983078400

約数和(自身を除く): 4785421529

約数列:

[1, 7, 17, 49, 119, 343, 643, 833, 4501, 5387, 5831, 10931, 31507, 37709, 76517, 91579, 220549, 263963, 535619, 641053, 1847741, 3463841, 3749333, 4487371, 24246887, 31411597, 58885297, 169728209, 412197079, 1188097463, 2885379553, 20197656871]

約数ペア:

[(1, 20197656871), (7, 2885379553), (17, 1188097463), (49, 412197079), (119, 169728209), (343, 58885297), (643, 31411597), (833, 24246887), (4501, 4487371), (5387, 3749333), (5831, 3463841), (10931, 1847741), (31507, 641053), (37709, 535619), (76517, 263963), (91579, 220549)]