20178441374

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{688637}}^1$

素因数の和:688689

約数の個数: 48

約数和(自身を含む): 39566384928

約数和(自身を除く): 19387943554

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 161, 182, 299, 322, 598, 637, 1127, 1274, 2093, 2254, 4186, 14651, 29302, 688637, 1377274, 4820459, 8952281, 9640918, 15838651, 17904562, 31677302, 33743213, 62665967, 67486426, 110870557, 125331934, 205902463, 221741114, 411804926, 438661769, 776093899, 877323538, 1441317241, 1552187798, 2882634482, 10089220687, 20178441374]

約数ペア:

[(1, 20178441374), (2, 10089220687), (7, 2882634482), (13, 1552187798), (14, 1441317241), (23, 877323538), (26, 776093899), (46, 438661769), (49, 411804926), (91, 221741114), (98, 205902463), (161, 125331934), (182, 110870557), (299, 67486426), (322, 62665967), (598, 33743213), (637, 31677302), (1127, 17904562), (1274, 15838651), (2093, 9640918), (2254, 8952281), (4186, 4820459), (14651, 1377274), (29302, 688637)]