20153837404

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1\times {\mathrm{641}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 35884769760

約数和(自身を除く): 15730932356

約数列:

[1, 2, 4, 139, 193, 278, 293, 386, 556, 586, 641, 772, 1172, 1282, 2564, 26827, 40727, 53654, 56549, 81454, 89099, 107308, 113098, 123713, 162908, 178198, 187813, 226196, 247426, 356396, 375626, 494852, 751252, 7860311, 15720622, 17196107, 26106007, 31441244, 34392214, 36247909, 52212014, 68784428, 72495818, 104424028, 144991636, 5038459351, 10076918702, 20153837404]

約数ペア:

[(1, 20153837404), (2, 10076918702), (4, 5038459351), (139, 144991636), (193, 104424028), (278, 72495818), (293, 68784428), (386, 52212014), (556, 36247909), (586, 34392214), (641, 31441244), (772, 26106007), (1172, 17196107), (1282, 15720622), (2564, 7860311), (26827, 751252), (40727, 494852), (53654, 375626), (56549, 356396), (81454, 247426), (89099, 226196), (107308, 187813), (113098, 178198), (123713, 162908)]